car wont go past 20 mph. Is the transmission at the end of its life or is it something else?. Even when its floored it only goes 20mph around 2k rpm and wont go any faster. -The next day I buy an alternator and get a mechanic to replace it. seems to be lack of gas because of no gas smell. i just limped the car to a auto parts store and had them scan the check engine light and it showed that it was either the camshaft or. no idea what is wrong, maybe any of you knows better. On 12/20, it was raining, the car did not accelerate properly when entering highway. The codes read p0300, p0304, p306, p0305, p0400. The car will not go past 20 mph. No sound from the transmission or the engine. It's not the best but it can read any Fault Codes and tell you what it's for. Usually turning key to on position, stepping on brake,makes it so you can move the shifter. What does it mean when your car says reduced power?. It drives well but when I try to accelerate over 30mph it won't accerelate but my rpms go all the way up. Won't go over 20 mph - 2014 Nissan Sentra. Another thing to look out for is a clogged air filter if the air is having difficulties entering the combustion chamber. still wont get out of its own way. If your Soul won’t accelerate, but the RPM’s do not change, that is an indication that there is an issue with creating power. A lot more information is required, but I’m not going to press you for that information because it seems nobody asking car repair questions on Quora is serious enough about getting the. More firing is performed at higher speeds whereas slower speeds have less. If the Check Engine Light is on then the computer needs to be scanned for codes first. noticed it wasn't shifting right, wouldn't go past 20-. On the way home, the car started not letting me go over certain speeds. SUV drives fine until I reach 20 mph. The rpm meter is reving, but car not going any faster. You can also buy a cheap OBD2 Scanner from EBay and an app to use it with on the Google Play Store. Yup, for some reason everytime i turn left and go the car seems to and i go it'll go to prolly like 15 or 20 mph then start the rev . Q: My car will not accelerate beyond 20 mph. My boyfriend had gotten my 2000 GMC SIERRA. You step on the gas pedal a few times, but it doesn't change anything. Jump to Latest Follow For some reason it allowed me to jump up to 20 mph but it wouldn't go over that. The car will start with no problem. #3 – Technical Difficulties · “Limp Mode” – If your car won't accelerate over 25 or 40 mph, it could have engaged 'limp mode. Tried starting fluid,, unhooked battery's no hoooked back up. Postby unistang » Mon Oct 25, 2010 10:26 pm. Kia Soul 2015, car suddenly is unable to accelerate over 20 mph and control cluster goes crazy. I let the car rest for an hour and turned it back on. Filthy Fuel Filter The fuel can collect sludge over time that often comes from the fuel tank. Every time he would test-drive it, the check engine light would come back on and wouldn't go past 20 mph. But will not accelerate the codes say misfire, but the core pack pack been change and there was no luck My car has 145000 miles. Blazer ls 4wd w/ 156,000 miles when you get to about 30-50mph it acts like it has no power and bogs way down to the point can't run over 30mph checked cat ok replaced. R50 CVT won't past 20 MPH?. When i putit on drive, now the car wont past 20mph. especially when attempting to go up a hill, merging onto the freeway, . What could cause a car not to go above 20 miles an. Even if car doesn't start there's always a way to shift it into neutral so it can be moved. Was headed out to work this morning and once I got on the main road I noticed my commander would not go past about 25 mph, can put the pedal to the floor and it just stays the same rpm's don't even raise past about 2000. Chevrolet Malibu Hybrid Questions. In fact, the high-mileage vehicles could also have this acceleration problem. The jeep will not go over 50-55 mph. So, what should you do when your car won’t accelerate? You should diagnose the symptoms. We have had it in the shop 3 times for the same problem. It absolutely refused to go past 20 MPH even though I'd usually go 27-28 on the same stretch of road. Rogue Won't Accelerate: RPMS Stays Put. Re: 2001 Maxima won't go over 20 MPH. The car has been programmed with a canned tune, . But it won't stall I press the gas hard the RPM won't go up , and there is no acceleration. but this time, the car only let me go 22 MPH. PLEASE HELP! After driving my car for 50+ miles, it stalls & won't accelerate past 20 MPH. If I go up a hill, my car will accelerate and drive normally then. Asked by al in Richmond, Car Won't Start. Some malfunctions can cause your vehicle to enter "limp mode", which means you won't be able to accelerate beyond around 25-30 mph. It could be that there is a problem with the transmission control module (TCM). While driving approximately 55 mph the vehicle decelerated and lost power. After a day or two the car was then again unable to get past 30 MPH. Discussion Starter · #1 · Apr 6, 2006. 5 months later it won't go past 20 mph and it won't accelerate anymore. One is that you’re hitting the gas, but the engine itself has no power. When they get plugged, this causes a . when her vehicle did this it stayed in 3rd gear so it wouldn't accelerate quickly and it wouldn't go over 3500 rpm's. Once I start the car and drive it. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Dirt makes the fuel heavy, making it unable to move freely from the tank to the engine. When I push on the accelerator my car slowly accelerates and won't go past 20 mph. Suddenly, I felt the idle drop, the CEL came on and my car wouldn't go over 20 mph. The owner says that it won't go over 40 mph. If your Escape won’t accelerate, but the RPM’s do not change, that is an indication that there is an issue with creating power. '00 Altima not accelerating beyond 10. Happy if I was of any help to anyone. 0 2005 automatic transmission, struggles to start and it wont go past 20 mph when it does. Tech / General Engine - Car won't accelerate past 20 mph!?!? Please help!?!? - Soo the other day I was driving home and all of a sudden the . That is the most concise answer you can be given to this vaguely worded question. the only saving grace was being near the entrance to a car park overlooking a local reservoir with fantastic views and. I also now have the code P0731. Lacks power but idles fine. Then this morning I left and it wouldn't go over 20 mph then it died! It turns over just won't crank back up. The Causes Of Car Won’t Accelerate. Bad gas, clogged fuel filter, Clogged air filter, Bad vacuum lines to the transmission. I had the battery tested a few days ago it was fine and the guy put new cables / wires /connectors on it Was running fine. fuel seems to be running fine and fuel fliter was changed. I came to your site to ask about my alignment issues, Figured I'd ask about. A broken catalytic converter or clogged filter can also cause this condition. It only starts if I step on the gas pedal while starting. The car is actually deaccelerating. -car won't start at night, so I get a friend to jump start it-while driving home the car starts to die. I would check to make sure that the valve is operating properly, and that any EGR tubes, hoses and pipes are all intact and in good condition. My transmission was replaced a few months ago, my car had been sitting for a few months before then. I've run the codes several times after resetting. The issue is going to be something affecting the motor. My '97 Accord bogged down like that (CEL flashing), but it was raining really hard and semi-flooding as I was driving 65 mph+ the water was getting into the undercarriage of the vehicle somehow and touching the altenator, which would prevent the car from going over 40 mph. Car won’t go past 20mph and can hear engine struggling HELP! I have a 1994 Toyota Camry automatic car. if I let off the gas and wait a little while (like 5 seconds) then it will. Here, there is every tendency the car won't be able to go anywhere. I have replaced all of the spark plugs and wires. Has anyone experienced the feeling of your car not accelerating? My car will not accelerate faster than 20mph. My car wouldn't go over 20 mph and I almost ended up paying over $100 just for diagnistics before doing research for myself and came upon this website. 2014 Nissan Sentra, had 60k service done about 200 miles ago now won't go over 20mph. We recently give it a Sea Foam treatment. What does it mean when your car wont go over 20 mph? Any number of things can cause poor acceleration. A worn out or damaged timing belt will affect the acceleration. for reasons that seem to go against everything you'd think Name For The Idea That Traveling At Over 20 MPH Would Drive You Insane. Proper lubrication is vital in making the acceleration highly responsive. My Car Is Not Accelerating Properly. logic dictates the ck engine lite is telling you something,,, 1 i ASSUME battery is good,,cables clean and tight 2 car has gas. My car recently have been jerking when I accelerate over 50 mph. Answer: The most common cause for a vehicle to not be able to accelerate past 20 MPH is a plugged catalytic converter. 5 months later it won’t go past 20 mph and it won’t accelerate anymore. Discussion Starter · #1 · Mar 1, 2013. It is not missing at all, Just changed plugs, wires, cap, rotor, pcv valve, air filter & fuel filter. 20 minutes and will not start after turning off key. 1,615 Answers Is the check engine light on. This issue could be occurring for several. It will start to shake vigorously once it hits 20 mph asked by SuedeCDC on December 24, 2016 The codes read p0300, p0304, p306, p0305, p0400. Here are 10 hacks you should know. I will need to pull over, turn the truck off and restart it. dirty or corroded or worn out spark plugs, bad spark plug cables or improper . Why does my car not go over 20 mph? The car has no acceleration , and wont go past 20 mph. 2 Answers The car will not go past 20 mph. The question you should ask yourself is “when was the last time the vehicle was serviced?” You might have to take it to the mechanic as it might be a problem. LS1 Based Engine Tech - problem with 2000 Z28 wont go over 20 MPH - I was driving at about 70 MPH on the freeway and the car started acting like it was out . Knowing if it's an automatic transmission or a manual transmis. a plastic water bottle) so make sure to inspect the area below and around the. After about 20 minutes it wil … read more. Why won't your car accelerate when there is a need for speed? You . on January 30, 2018 The car has no acceleration , and wont go past 20 mph. I changed out the transmission fluid and filter and it still wont get past the 30mph problem and the car shaking when. If your Transit Connect won’t accelerate, but the RPM’s do not change, that is an indication that there is an issue with creating power. It seems to shift fine, and the rpms are not shooting high. However, sometimes it becomes old enough to stay out of troubles. But nonetheless this seems like a transmission issue. A problem with your car's acceleration is something harder to notice. She has turned off the jeep and started it again twice. It makes a weird sound just after the motor starts and sometimes it just turns off when I'm at a stop light. Has done this 3 times with one time dying while traveling at 35 mph. These reasons can include anything from a simple problem with the spark plugs, such as a worn plug or two, a loose or faulty lead, etc. You might be shocked to find that there’s been something stuck under your van’s gas pedal, which wouldn’t let you push the pedal all the way, hence why it won’t go over 20 mph. When I start my car it is on 1 rpm. Why a Car Won't Accelerate Past 20. My car won’t go past 20 mph got a check engine lite, code reads p1171 lean condition, checked all the vacuum hoses nothing disconnected or torn, checked air filter was kinda dusty but not enough to trigger lite, replaced the belt was jumping a lil bit, anyone have any. then once I got off and stopped, checked pressure (still 60 and full), I continued on. 1) 10/29/2020 I was driving on the highway with the cruse control on when the car made a loud thump, jumped out cruse control, shut off, check engine light came on. Well, actually sometimes it works just fine. I have a 2004 Volkswagen Jetta and it won't let me go over 20 mph at times but also after a little while it starts to drive normally. My sons car won't go over 20 mph and sounds like a motorcycle. I have a 2000 528i that was working fine then parked for a few months. net is a forum and information center dedicated to the Ford Crown Victoria and its siblings: Mercury Grand Marquis, . If so it's plugged so you'll need plugs and a new cat. 2008 Jeep Patriot will not go over 10 mph. The Ins and Outs of Buying Classic Cars. Get under the car and see if your cat glows orange. Check your mass air flow sensor it may be dirty or bad. I have ran into this problem 3 times within 1 1/2 months. Car Won't go past 10 mph with Check Engine Light On. Have 50 psi fuel pressure at intake. The car won't accelerate! There are many different reasons why this could be . I've revved the engine like this in the past (with the moped stationary), but for shorter durations. Discussion Starter · #1 · Nov 4, 2012 (Edited) I have a 2000 528i that was working fine then parked for a few months. The car may be able to move on flat roads but the problem will occur on an uphill road. It regulates air flow and fuel mixture to throttle body. Questions / Dodge / Caravan / 1996 / why is rpms revs high and. lights are flickering and the car won't go past 20mph and slowly comes to a crawl-try to jump-start the car again and it won't start. When I try to accelerate, car will rev up but won't increase in speed. Wife was using it today and as she pulled on to the road, it would not go over 10 mph. Top 6 Causes of a Car That Won't Accelerate · #1 – Mass Air Flow Sensor Clogged or Malfunctioned · #2 – Oxygen Sensor Malfunction · #3 – . I'm confused as this is my first car and I feel like the place I took it to is trying to play me. Question type: Maintenance & Repair. Both of these problems caused the symptoms u are describing on multiple cars I've had. Here's what it takes to insure that new-to-you car. You might need to visit a mechanic to offset certain issues, but they do not usually indicate a larger engine. Most probable cause is exhaust restriction. So I was driving home and almost home, made a right turn and my Eclipse won't go when I press the gas. My husband said it could be the catalytic converter. When press pedal all the way to the bottom, still not acceleration and the engine speed is just 2000 to 3000 rpm. It consistently comes up with p0300, p0304, p0306, p0305. button still runs really rough and cuts off. Engine light is not on and I just replaced ignition coil for misfire. I cannot tell if there is a specific side where hum is louder, i. The throttle problem stopped by itself, BUT now this car won't go past 20 MPH! It's like a speed limiter, as soon as you reach 20 it cuts the motor and then resumes @ about 16 MPH and as soon as you hit 20 same thing, it just cuts out. We also showed you the main reason why car won’t accelerate past 40 and also why car wont accelerate past 20 and finally, we discussed the reason your car wont accelerate uphill. Soul Won’t Accelerate: RPMS Stays Put. Max speed seems to be 20mph but it is a struggle to even get to 20mph/2kRPM… however when going in reverse everything seems normal. Acceleration problem sometimes puts your car in distress. What could be causing - Answered by a verified Auto Mechanic We use cookies to give you the best possible experience on our website. It feels like the car will stall at any second. They're also saying my car needs a new valve timing control solenoid & transmission control module. Discussion Starter · #1 · Jun 29, 2021. SOLVED: The car will not go past 20 mph. After about 20-30 miles/hr, pressing down the pedal won t accelerate further. If the car will not go over 20 MPH then there can be a number of issues going on. F 250 2003, Lariat FX4, modifications; 4 inch lift, 16x10 weld racing, 36 inches tires, spray on bed liner, tool chest, flares (bush waker),roof rack, piaa lights, etc. Because It Often Runs Fine And Then Suddenly Has This Issue Where It Won’t Go, It Could Cause A Serious Accident On A Highway. Has anyone else had this problem: 4 days ago I started my car and drove half a mile to a stop light where I was going to make a right turn, . I woke up this morning and my car wouldn't start but I went back out there later on and it started I let it warm up and when I drove it it wouldn't go over 20 mph what could the problem be 2 people found this helpful. What does it mean when your car won't go over 20 mph? 1 Menjawab: rickygv. When I do put on brakes i feel vibration. I'm desperate! Here's my issue: If I accelerate slowly and feel the car shift into gear, I can keep going and it won't fail me. Ignition module, wires, cap/rotor, pickup module, coil pack cked plugs look good ran scan shows po300 if not misunderstanding means multi misfire at a loss. It's caused from not keeping the engine tuned up and or . The engine light is flashing and the stability lights are on. - Answered by a verified Ford Mechanic. Shocked the brain, it worked but wouldn't work after shutting off the car & re-starting. E, front, back, driver's side or passenger side. Answer (1 of 12): You not up shifting out of first gear? So many things I wouldn't know where to start, but telling us what car you have, how many miles are on it, if you maintain anything at all, and other things would only help us. 10 Options for Car Financing. Car won't go past 20mph and can hear engine struggling HELP! I have a 1994 Toyota Camry automatic car. I had to cut my car off then start it back up. If it is leaking, the air will mix with the gas causing the RPMs to go higher than it should be. SOLVED: Why is the engine bogging under acceleration. I bought the car for a daily driver. If your Kia Soul won't accelerate, that is a serious cause for concern. My car jerks and will not go pass 20 mph and rpm . The engine is revving when she hits the gas, but the van seems like it stays in the same gear, so she can't push it past 25ish mph. comCar won’t accelerate past 30 miles per hourThis can be due to a clogged catalytic converter, failing transmission, limp mode, l. Of course, it most likely won’t be something that makes noise when pressed (e. Rpm Are Over 7 And Car Won’t Go Past 20 Mph. My wife had this problem with her car, the vehicle is in "limp Mode" its because it is detecting a critical problem with your vehicle. Hi folks, I'm having similar problems to other posters but then again different. If your car is not going past 20 mph, you should first think about the last time you took your vehicle for service? Because it might very well be the problem. Asked by Leah3232 Mar 02, 2016 at 11:08 AM about the 2000 GMC Sierra 1500 SL 4WD Standard Cab Stepside SB. it won't go faster than 20 mph even with accelator pedal almost to the floor. Asked by Alex Jan 18, 2016 at 02:23 PM. About Go Wont Past 80 Car Mph It runs well for a few days and then it starts to sputter and it wont go over 25 mph Reply 1: Any codes in the REPAIR GUIDES. Rpm are over 7 and car won't go past 20 mph. Sometimes it is a simple issue that you can identify and fix yourself. I was driving about 45 MPH when suddenly it felt like the car downshifted to low gear the engine light and ASB lights came on and with the . Convertor has melted down internally. F150 Won’t Accelerate: RPMS Stays Put. How fast is the distance between the automobile and the farmhouse increasing when the automobile is 5 miles past the intersection of the highway and the road?. My car won't go pass 20 mph I have the code p0501 2008 Chrysler 300 5. 1 Answer SOURCE: wont accelerate past 20 mph Check to see if your air intake is cracked or has seperated at one of the joints. New plugs and wires New distributor and. The contact stated the vehicle would not accelerate further than 20 mph. The car won't let me go over 2,000 RPM - 2,500 RPM It's hard to explain. Re: 2009 Malibu will not go past 20 mph. Damian again, 1993 Toyota Camry V6, 288700+ Miles. We offer 10 options for car financing to make your next set of wheels a reality. It will kick in after a few seconds of stalling, but then doesn't accelerate again (I press on the gas and it does nothing!), the engine is still running. for the rest of the way home, so I had to take back roads opposed to the interstate!. I can't even drive it over 20mph. Help all of a sudden my accord wont go over 25 mmiles per hour and check engine which would prevent the car from going over 40 mph. Includes dozens of functions to help songwriters, poets, and anyone else in need of a word. Yet in the case of the Lincoln, I couldn't get past 20 mph until the problem was solved by removing the tank, flushing it, reinstalling it, and installing an in-line filter between the tank and. Car Wi-Fi lets you seek help in an emergency, seek real-time traffic updates, use a navigator, or connect with friends over the internet. 3 Answers Active Oldest Votes 1 I'd suggest checking your spark plugs/glow plugs and your ignition coils. It was consistently going slower afterwards, and I scurried back home as best as I could. Today while I was driving my car slowed down and would not go over 20 mph while I was on the high it just slowed down while I was doing 50 mph, like it didn't want to move. stuck in snow and after we had gotten it out I. My car still doesn't pick up speed. Why a car refuses to exceed a speed of 20 mph can have a range of reasons, and depends partly on the make of the car, as well as whether it uses manual or automatic transmission. I just replaced the carb with a brand new stock carb and now my check engine light is on and the car will not go over 20 mph. Started fine and idled smooth, I let it warm up for about 15 mins before I got in. I turn on the hazards, turn the car . At the signal light, when stopped, the car started to go in reverse. It's like the car is going over the limp mode. Exhaust Filters If any of your exhaust filters is clogged or blocked, you may experience a problem while driving. I am considering buying a 94 cadillac fleetwood. Answer (1 of 6): Why a car refuses to exceed a speed of 20 mph can have a range of reasons, and depends partly on the make of the car, as well as whether it uses manual or automatic transmission. Reasons Your Car Won’t Accelerate. I had the same problem, could not go over 20 or 30 MPH, dealer replaced two injectors, and that took care of it. First started with car having problems accelerating the first few minutes of driving and then it would be OK. No codes or lights with GM tech 2 scanner. If your Rogue won't accelerate, but the RPM's do not change, that is an indication that there is an issue with creating power. The CEL was still on but I was able to drive it like normal. This is my first post and my first tdi. Hello everyone! Had the same problem after my battery died. I got it cheap because it had this problem. Transit Connect Won’t Accelerate: RPMS Stays Put. Bad MAF or you have oil leaking into the spark plug tubes (or water if you've recently cleaned the motor). We've collected everything you need to know about buying classic cars, including determining car values, researching classic cars, and tips for buyers. the car might be in limp mode or you have a clogged catalytic converter, If the converter is clogged you may have a fueling or ignition problem also. Will not go faster then 20 Will not go faster then 20 MPH. 2000 GMC Sierra won't go past 20 mph. Why a car refuses to exceed a speed of 20 mph can have a range of reasons, and depends partly on the make of the car, as well as whether it uses manual or . My car won't go pass 20 mph I have the code p0501 2008. What does it mean when your car won't go past a certain speed? What would cause a car to only go 30 mph? When I press my gas pedal it won't accelerate? Why is . This time it was driving a little better but the car would do one big jerk when it was shifting to the next gear and the shaking/ car turning off when stopped. So if your car won’t accelerate but RPMs go up automatic then you know why that is so. comCar won't accelerate past 30 miles per hourThis can be due to a clogged catalytic converter, failing transmission, limp mode, l. Hello, My 2008 Jeep Patriot will not go over 10 mph. The vehicle has been gradually . The computer diagnostic picked up the following codes; camshaft sensor, camshaft solenoid, and mass air flow sensor. It usually start well in the morning and everything works perfect, however, after 25 minutes of continuous driving, especially when trying to accelerate from a traffic, the vehicle would not accelerate beyond 40 mph no matter how much i press down the pedal. SOLVED: No acceleration when car in Drive. put the car on Parking push the gas pedal i can see the RPM go all way up, put it on Drive the car moves very slow, RPM won't pass 1000 and the car goes up to 20MPH. My car won''t accelerate past 10 mph and RPMs won''t rev up even when flooring the acceleration. If your F150 won’t accelerate, but the RPM’s do not change, that is an indication that there is an issue with creating power. When depress the pedal can feel the car choke a bit. We have tried changing the gas pedal & recallibrated the car. I don't understand why it will accelerate normally when I go up a hill, and after I go up the hill it drives just fine. Wont go over 20mph!!! help. Now that light is flashing and the Traction light is flashing as well. Here are a few of the top reasons your car might not be accelerating when you press the gas pedal. 4L engine Starts fine, idle jerks When driving, car won't go above 20 mph, engine RPMs won't go above 2000 . If you have an after market short ram or cold air intake the piping does not always stay together and a massive influx of unfiltred air will cause this phenomenon you are speaking of. My car won't go past 20 mph what's wrong. The car would stall if I tried to push it to go past 20 mph. The car will NOT accelerate beyond 3,000 RPM. 5 Reasons A Car Won't Accelerate, But RPMs Go Up Fuel Filter. Tl- the contact owns a 2007 Jeep Grand Cherokee. There are several things you can do to keep your car insurance costs down. How to Diagnose an Engine that Won't Start? 3. My car has an automatic transmission. Regular maintenance is the key to minimizing the chance of various issues. Really simple instructions and my car is running great! Took only 2 min. Hot-Shot: An expert who has answered 20 questions. If I pull over and pull out the engine control fuses and put them . Tried changing the mass airflow sensor & recallibrated the car. This can be caused by an improper ground. The 4 Wheel drive was on because it has been snowing here. At this point nobody knows squat. It's hard to notice certain problems with your vehicle. I've seen many, many other people complaining about this same car, same issue all over the web. All times while entering the freeway. Never stalled, didn't smoke and didn't "buck" or anything. SOURCE: wont accelerate past 20 mph Check to see if your air intake is cracked or has seperated at one of the joints. Need tp take the car in Posted on Jul 14, 2009 Anonymous Contributor 19 Answers Some vehicles have a "Safe Mode" for safety purposes. I’ve Seen Many, Many Other People Complaining About This Same Car, Same Issue All Over The Web. Now it will start and run fine for about 10-15min and all of a sudden the car wont go faster than 20mph, its like the power just gets cut from the motor. Once I do that, the truck is fine. Here are some common issues that can affect the motor: 1. Don't need the car to start,just need to put into neutral. Even in park/neutral, you can rev it up and watch the RPM needle bounce off of the 3,000 RPM mark. Literally just had new car delivered and went through the handover, then driving away and it won't go over 20mph. 2003 Cadallic CTS 6 cylinder Car will run aprox. On my commute to work this morning I was attempting to accelerate to merge with highway traffic when my car refused to speed up. Car Wont Accelerate Past 30 Miles Per Hour. just gave it a basic tune up thinking it would have fixed it,and a lil over 100,000 . Turns out his spark plugs were wore out and not burning fuel completely. pump was changed 1yr ago approx. Reasons Your Car Won't Accelerate. But, a newly replaced belt could also be the culprit. 20 miles an hour just fine, but after that it just doesn't want . I have a 2002 Buick LeSabre limited what is happening when I Drive it it will not accelerate above 20 miles per hour but once in awhile after driving it for about 5 or 10 minutes it acts fine the check engine light is on but I have not had a chance to get it scanned for codes could the speed sensor be bad or do you think the. My sons car won't go over 20 mph and sounds like a. 3 TBI w/auto, and even though it starts fine, idles fine, and will move fast in reverse, he can't get it to go faster than 25 mph in drive. After starting the car if I press gas pedal gradually I'm able get car when I realized problem was getting worse (wont go beyond 20mph). The MAF has been replaced, as well as the air filter. When it won’t go past 20 or 40 or whatever mph, what is the engine doing? What you actually describe can be read in at least 3 different ways. 2000 GMC Sierra won't go past 20 mph. After sitting for a bit, car started but would not go over 25 mpr back to town. It ended up plugging up his catalytic converter. engine starts up fine and runs ok up to 3 to 5 miles down the road or 3 to 5 miles, then it starts surging 500 rpm,s to 1200 rpm,s without touching the gas, sometimes cuts off, then restart and push on the gas anything above 1/4 throttle it surges at a higher rpm 2500 to 3500 ,nothing higher no matter how far you push the gas , even to the floor, ive replaced coil , module beside the coil, cap. Check engine light; Your transmission won't go past third gear; Reduced engine power; Vehicle RPM limit is lower; Turbo boost shut off completely. It will start to shake vigorously once it hits 20 mph. There might be a leaking vacuum hose in the car, hoses deliver air and fuel to the combustion chamber. Are you driving your car and you press the pedal but it does not accelerate past 20 mph? There are different factors that might be responsible for this problem. Also check for intake vaccuum leaks. I Put the car into drive and when trying to accelerate I can hear the engine struggling to increase speed. It's automatic and the - Answered by a verified Chrysler Mechanic We use cookies to give you the best possible experience on our website. The contact pulled over to the side of the roar and shut the vehicle off. 2008 Ford EDGE Power Train Automatic Transmission problems. Escape Won’t Accelerate: RPMS Stays Put. Having a car insurance policy is a necessity, but some buyers are confused about how to buy insurance for used cars. This will cause the computer to . Because it often runs fine and then suddenly has this issue where it won't go, it could cause a serious accident on a highway. Power loss & won't go over 20mph S-10 Car Forums. Common Reasons Your Ford Transit Connect Wont Accelerate. 7 - Answered by a verified Chrysler Mechanic We use cookies to give you the best possible experience on our website. Hello All, I am new here and could use little help, I have a 90 wrangler YJ /6cyl, 4. Dirt/water in the fuel injectors, Bad Spark, Trouble with the electronics. I was a block from home and immediately turned around and brought it home. The contact restarted the vehicle and was able to drive the vehicle. Backfires on hard acceleration. He eventually put in a compatible transmission, and so far things have been fine. Follow these tips for buying a used car. My car is a 2008 Honda Accord, 2. 50cc s stroke moped wont go past 20mph. Monte Carlo Repair Help - 2002 monte carlo SS, no power, wont go over 20 mph. engine misses and surges, wont go over 25 mph, and over 2500. Long story short, car has been having a recurring issue where the engine throttles (You can't accelerate over about 20mph until randomly you can and you surge forward), the temperature and gas mileage numbers on the control cluster go away or become. It might sound like its bogging down or something. You may be having an issue with the EGR control solenoid sticking or not venting the EGR system and causing the problem. No transaxle shift release button either. Most cars won't be happy in third gear, and you'll need. Car idles fine, rev up at idle fine, when put in gear wont go past 25 mph's motor starts to bog down like its starving for fuel, wont kill or die, just wont develop speed Was this answer. Car won't go over 20 mph and cuts off. My '97 Grand Caravan has just recently started missing, popping and basically having NO power. I've been meticulous about keeping the transmission fluid pristine since we got the van about 3. No lights on dash showing any issues. Starting at 20 mph a low pitched hum starts and as I accelerate the pitch goes up a bit and hum continues while I drive.