If you're driving 40 miles per hour and think the transmission might be going bad, check for these several symptoms. I tried the MAF/MAP route but had no luck. Have you checked the spark plugs? All the other vibrations have gone away. Fuel pump / pressure , cat is plugged , egr valve : If you are still having trouble, From what you've described, it sounds like you have a head gasket leaking into the engine cylinder and then out of the exhaust. 1 Answer Engine V6 is hesitating when accelerating over 40 mph Engine hesitates and almost misses when accelerating over 40 mph. How difficult on the 3.5 V6? ", Now I need help and I am not sure if I should start a new topic or not, This is related to error code 47 in traction control (When idle switch is ON, sub-throttle position sensor signal is 1.45V or higher), Any ideas if that means that I should replace the sensor or it can just be adjusted, Yes you are right but it seems that by chance the sensor itself was also out of order. When the engine is first started cold it is running open loop and the O2 sensors aren't used at all. I assumed that once the ECU detected that one of the sensors was faulty it simply relied on the opposite for fuel trim corrections/adjustment. If you let your fuel injectors continue to be dirty, then it will impact how much fuel gets injected into the chamber. No Charging Required Car Jump Starter: https://amzn.to/2CthnUU6. I have replaced the plugs, coil packs, fuel filter, transmission was serviced - new filter/fluid and it still does it. Content will be removed if CarGurus becomes aware that it violates our policies. Affiliate Disclosure: We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. DIY car repair with Scotty Kilmer, an auto mechanic for the last 50 years.Thanks for watching! You might want to drain a little fuel into a glass jar while you're doing it "just for giggles". How to fix engine hesitation during acceleration. It seems more Torque converter lock than loading. Sometimes simply cleaning the MAF may do the trick, too. Please refer to CarGurus Terms of Use. This should be checked out by a professional mechanic immediately to avoid being stranded or causing further damage. Hello there, a variety of faults that can cause your 2001 Honda Civic to overheat (https://www.yourmechanic.com/article/can-a-car-battery-overheat-in-hot-weather). No problems starting and traveling at slower speeds but once again 20 mins into the drive traveling between 40-45 mph the sputtering began. JavaScript is disabled. It happened to her again yesterday. valve actuates . A catalytic converter is responsible for reducing the amount of pollutants that exit out of a car's exhaust. Is your question about how to test the oxygen sensor? Doesnt using an abbreviation only to then state what the abbreviation stands for really defeat the purpose of aforementioned abbreviation? It seems to be only at very specific RPM (approx. But don't worry because this symptom also has a solution like other car problems. A partially clogged cat will act like a rev limiter. If you have an account, sign in now to post with your account. There will be one winner of a fuel pressure test kit valued at $46. brakes were replaced within the past When does it happen? Will start on changing out the fuel filters and checking out the fuel pump with disassemble. This will cause your engine to lag, stumble, or hesitate. It appears that if you had "read" the actual code it would indicated an open O2 sensor HEATER, not the sensor itsself. 3. We may earn a small commission from affiliate links and paid advertisements. Im not sure. Hesitation/Stuttering While Driving Between 40-50 MPH vicjrblue Member Posts: 1 January 2016 edited January 2016 I purchased my Torrent October 2014 and it had approx. Tool giveaways every Monday to help you with your own car projects. It is real worse on highway when cars get hot. Standard mailing time from the win date and the date received, will depend on the winners geographic location.14. Mike. If you give it WOT the stumble will not happen or if you do like a passing a car event, the problem . Very rarely it jerks so bad . My car has 33000 miles. Faulty Transmission Control Module Kindly advice Sir. TCS light stays on for days, and then comes off for like a week, then comes back on for days again. Car runs great between 0-40 mph and from about 50 mph on up help please! I was then told my throttle body needed to change and so I bought a new one. Disclaimer: Links on this page pointing 4 inch lift. in the engine (youll need a pick set like a 2023 CarGurus, Inc., All Rights Reserved. If your car is moving at 40 mph but is unable to accelerate any further, the transmission probably needs service or replacement. Is it just on cold start, certain ambient temperatures, etc? An engine that hesitates when accelerating is either sucking too much air, not getting enough fuel, or misfiring. Can you narrow down when it hesitates? The car will jerk real bad when driving at a steady speed and also when slightly accelerating. Ethanol vs Non-Ethanol Gas (Which is Better? The winner will be required to give Scotty their full name and mailing address to receive the prize.12. JavaScript is disabled. pperro57@gmail.com. I'm still thinking it could be the fuel pump or the crank and/or cam sensor. Quick edit: I confirmed the TPS was getting proper power voltage. I did not mean to ask you to start searching for a vac leak. Never any sponsored content, just the truth about everything! 2. Changed Fuel filter. I took my car to the dealer (after they fought me on it) to find out that it was the spark plugs (whicjh BTW arent covered under warranty, so if you dont have a warranty it can de pricey if it's more than one plug.) This can be a chronic problem, or it can only last a few seconds before the transmission works properly again. Common issues include: About a month or so ago, the car started hesitating, almost a sharp jerking, when it gets to around 40-50 MPH. also the car seems to shutter or almost feels like i am going over small bumps in the road even though its completely flat. ehabmarco I changed my fuel pump, throttle sensors, O2 sensors, Had car serviced (Nissan Note 07) because I noticed acceleration issues. You could check basic things like spark plugs and wires, injector functionality, and engine air filter cleanliness. The winner will receive a reply to their originally posted comment in the video and will also be announced in a newly posted comment by Scotty around Sunday 9 am CST. This may cause a hesitation, loss of power or jerking reaction when this sensor is malfunctioning. the S series doesn't have a MAF but a MAP A clogged fuel filter can cause the engine to get too low fuel pressure or cause a clogged fuel injector. the same problem and this is actually a deciding Professional Socket Set: http://amzn.to/2Bzmccg 4. If you click them and If it happens once, it is likely to happen again, and the car should be serviced before the transmission is damaged further by wear and tear. How to stop car hesitation. Tugging can be the result of ignition, EFI, fuel pump pressure, and even the secondary "Trac" engine de-throttling servo. this issue started when I had about 97000 miles and has gotten worse. However, there is a long list of other reasons which could be the cause of this hesitation problem too. For myself I would accept that any heater resistance up to 18 ohms would suffice. See Also: Drive-By-Wire Throttle Pros/Cons. It doesn't happen at lower speeds. Steve. Common Sense3. The hesitation around 40 and 50 would be in keeping with that theory. It's often difficult to discern the difference between an ignition misfire and a torque converter malfunction. Still my is not starting smoothly. Any type of miss, or lean condition, like a clogged injector will cause a code to be set. 13 Answers 805 richksiny answered 7 years ago i would say fuel filter , pump as well. While accelerating vehicle started to shake between 30-40 mph. Check Engine Light with Code P0117. When I took ownership of it, I had the oil changed and it needed an new motor mount and front brakes to pass inspection. This is how the timing of fuel injections into the chamber is made. lol. Started February 16, 2022, By 2. Not sure whether the procedures are applicable across all 1st gen models, though. hesitates when cruising at 40 to 60 mph. My 2001 Acura TL is starting to hesitate when accelerating, then starts slowing down. Any ideas what it could be or where to . I cleaned the carb and put some sea foam in it ..noticed have oil on spark plugs on threads and getting down into chamber . Have a mechanic trained in vehicle electronics inspect the radiator fan (https://www.yourmechanic.com/services/cooling-radiator-fan-motor-replacement) for You have two starter relays. Car hesitation. Starting with cleaning the egr valve. remove and spray with carb spray and make the the Clogged fuel filter. You might need to replace your MAF sensor which is your mass airflow sensor and definitely check your fuel rail and fuel injectors. F133S with LC-10 S-Series Large Body FUMOTO Valve with Short Nipple and LC-10 Lever Clip for 12mm-1.25. Just for giggles try putting in a water-remover fuel additive to the gas tank and see if there is any difference. My computer for editing / uploading: https://amzn.to/2uUZ3lo7. If you can still snap the throttle wide open & the tach responds appropriately, it's not the cats. I second the live data suggestion. But if this sensor is bad, then the wrong amount of fuel will get injected and cause engine hesitation. Bluetooth Scan Tool: http://amzn.to/2nfvmaD2. There is a shudder under acceleration that starts at 30 mph and will continue to 40 mph were it goes away. Used to happen to me after wheeling when I would shake all the rust particles from the bottom of the tank. It doesn't happen all the time and doesn't matter what kind of incline I'm on. if they carry the part. Thank you for your fast reply. This giveaway is in no way sponsored, administered, or associated with YouTube. Car hesitates when accelerating. Usually due to rust clogging the fuel filter because the tank if full of rust particles trying to make their way into your carb to clog that. Engine starts right up and idles smoothly. Entrants that do not comply with YouTubes Community Guidelines will be disqualified: https://www.youtube.com/yt/about/policies/#community-guidelines16. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Saturn 4 door stick , 1.9 . I would suggest having a professional from Your Mechanic come to your home to diagnose your mass air flow sensor. The winners full name and address will only be used to mail the giveaway prize to the winner and nothing else. His has none.yet! Checked it for codes? I am truly stumped. Send me a private message if you are interested. Id take it back and have them double check their work. As you go down the road it has a slight jerking action. I ran Gumout through the gas tank, changed plugs, wires as well installed a brand new EGR. Its new in box and I'm happy to pass it on for less than I paid for it (I paid $65.00). Affiliate. I would suggest having a professional from Your Mechanic come to your home to diagnose your mass air flow sensor. The f-body EGR was designed to work with a low restriction exhaust and thus will typically last longer. If it is around 2k rpm, you have the newest programming. A pop and hesitation is likely a backfire. Aug 22, 2018. I have had the car in the shop at least 4 times for this problem, which has improved, but it is not completely resolved.
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