looked at that yet? Hey guys, My 2012 LE is hesitating shifting between 2nd and 3rd. Any ideas or things to look at would be appreciated. Again no improvement when driving. I have a 1996 Saturn SC2. Problems with the ignition system will often cause the engine to misfire and hesitate under load. . It would be best if you replace or clean the dirty air filter to stop this problem. It is also common to experience issues when switching from park to drive for transmission problems. Very common problem on the LS400 specially 1995/1996. I put my fuel pump direct without a return pipe. We have a 2008 G6 with a V6 engine. If it is around 2k rpm, you have the newest programming. Drives fine otherwise. Ive been lurking this forum for a while and tried to read every forum post related to this problem Im having. This was traced back to a light film of corrosion on a coil wire. It has started bucking under load, feels like it is losing a cylinder when accelerating and I get a sweet smell like kerosene. Robert, I have not yet found the answer. About a month or so ago, the car started hesitating, almost a sharp jerking, when it gets to around 40-50 MPH. Prior to EFI there was no feedback loop on fuel trim (remember those things called carburetors?). When was the last time the spark plugs were changed? I also sense wiring problem and rewire have try to check the wire and tape where necessary, he said i should go and drive it for a while.. what should I do? The problem persist. Billy from United States 7 years ago BI Comment Same issue here 17 reports I put on a new fuel pump and still having the same problem. The following problem occurred afterwards. If yes, what happens at 40 to 45 mph ( with light throttle) is your car is going into 4th gear. Any thoughts? This giveaway complies with all applicable federal, state, and local laws, rules, and regulations, including U.S. sanctions.15. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Sometimes simply cleaning the MAF may do the trick, too. Michael Davidson started writing screenplays in 2003 and has had a screenplay professionally produced. Will try and let Sounds like your car is entering limp home mode. 94,000. When this fails, this can cause an imbalanced air/fuel load to be supplied to the motor which results in an over fueling or under fueling situation depending on the conditions. This may cause a hesitation, loss of power or jerking reaction when this sensor is malfunctioning. If it's been sittting, you may have condensation and/or rust in the tank making it's way through the system. Perhaps theres a lot of sediment at the bottom of your gas tank, perhaps your fuel gauge is reading incorrectly, or perhaps you need to change the fuel pump or fuel filter. This helps sustain the proper air and fuel mixture while the vehicle is in use. It happened to me a couple weeks ago. The car seems to hesitate in 4th gear right around 43 mph. 2CarPros: Car Acceleration Questions and Answers. The only issue was that the car would shudder pr even buck a bit ONLY at speeds around 40 MPH and ONLY when the accelerator was backed off of slightly and when an attempt was made to feather the pedal and maintain a steady speed. Problem is more noticeable on hills/slops. Haliuna Codes won't tell me and the mechanics I've been to Its loke being in the You are using an out of date browser. Join the Lexus Owners Club and be part of the Community. ;), Yes before changing the O2 sensor, The MAF/IAT sensors had been cleaned AND even changed without any improvement, One more thing I want to mention is that the O2 sensor was completely dead (no reading for any resistance), I knew that this sensor was faulty (I had a CEL) but I could not imagine that this is the reason of misfire, that's why I left it to be the last option. 3/4 i actuall had 2 fuses blown from a short in the wiring harnes the other was TRS CC When I bought it they said They tried to sell me some other brands but I had them put in AC Delcos. Saturn 4 door stick , 1.9 . And be aware that exposing a perfectly good, even brand new, O2 sensor to our oxygen rich atmosphere while the sensor element remains heated will/might "spoil" the sensor, cause a CEL, for the first 100-200 miles. No problems starting and traveling at slower speeds but once again 20 mins into the drive traveling between 40-45 mph the sputtering began. went to dealer. When I took ownership of it, I had the oil changed and it needed an new motor mount and front brakes to pass inspection. Any suggestions? We took the car to the dealer where we purchased it and they were unable to find anything because there were no codes present. JavaScript is disabled. If so, I can post the diagnostic procedures from the '92 Repair Manual. The most honest and funniest car channel on YouTube. dentist tool you can get at autozone or Misfires can be related to wrong plugs being used. Not sure whether the procedures are applicable across all 1st gen models, though. Good luck, I'll keep The reason why car hesitates when accelerating uphill is simple! This time more frequently and with some stalling. Any codes? What can I do with my Toyota Corolla sports,Ive changed so many things like fuel pump, injector, spark plug,fuel filter yet it still hesitate..help the helpless. It looks like you're new here. My car was jerking as well. Are there any codes stored? Could this be caused from a clogged cat? If you have an account, sign in now to post with your account. Change it out to a clear plastic one temporarily while you're sorting it out to see what kind of crap is coming out of the tank. You don't even mention coils which are a known weak link of these cars. The problem happens only around 20-24 MPH and around 40 MPH give or take a few MPH. Your car hesitating when you accelerate is an issue that can be caused by transmission problems. My 2008 nissian Altima is hesitant when going up a hill or accelerating Ive changed the fuel pump the air filter and the air intake hose but it is still having the same problem, We found my car was hesitating and stalling when I took off from a stop or went up a hill because after 24 years, the motor mounts were worn and that caused rubbing of the wire harness and some of the wires had the insulation rubbed off, causing shorting. Can you narrow down when it hesitates? When This obviously means we are imagining it, NOT. Is it just on cold start, certain ambient temperatures, etc? All the other vibrations have gone away. Currently am thinking of checking the electric work out, but i need advice. Started March 4, 2021, By Im not sure I understand the question. OK for local driving. Replace your fuel filter and ad a pre filter like this one. Tool giveaways every Monday to help you with your own car projects. Your vehicle could have dirty fuel injectors, a damaged fuel pump, a blocked catalytic converter, a faulty mass airflow sensor, broken spark plugs, or even an accumulation of moisture. If any of the components in your fuel system stop working correctly, like your fuel injectors, fuel pump, or fuel pressure regulator, then your engine wont get the proper amount of fuel it needs for combustion. It also makes noise when the cars sitting at a light or stop sign. You can post now and register later. My Honda Pilot 04 hesitates while picking up after I had slowed down a bit. Privacy notice: any and all personal data collected from the entrants and winner will only be used to announce the giveaway winner. If there is a problem with your ignition system, such as with your spark plugs, rotor, or wires, then your engine will lose power at inconsistent times. The Fora platform includes forum software by XenForo. This obviously means we are imagining it, NOT. Camera Microphone: https://amzn.to/2Evn1675. If so, the answer is no. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Mailing Address:9169 W State Street, Suite 2867Boise, ID 83714. (Engine Oil Viscosity Explained), How to Debadge Your Car (In 3 Easy Steps), Should I Cover My License Plate Online? Red, Gozzard Fiberglass tub. You must log in or register to reply here. The Fix: Replace spark plugs. Once Im going faster or slower it stops. So Sunday we packed up and headed back home, and about 30 mins into the drive traveling about 45 mph the engine started sputtering. If you have not cleaned your fuel injectors for a long time, then theyre probably corroded with carbon deposits or other debris. The The 2011 Mercedes-Benz ML450 Hybrid is Mercedes' first hybrid SUV. hesitate to tell me that it is very likely the MAF 1970 FJ40 Grey, 4 inch lift, Winch, Aussie rear, ARB front. pump. 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. around 40 mph. fuel pump. This will cause hesitation as you accelerate. Unfortunately Im still at a loss for answers and I am darn close to rolling her down the quarry lol. When the issue persist, it grow worse that, the RPM will get close to zero. As you go down the road it has a slight jerking action. How to fix engine hesitation during acceleration. Lol old_mopar_guy April 29, 2019, 10:52pm #9 The only thing your 09 Nissan has in common with a 99 Mercury is that they both have 4 wheels. Hesitation at around 45 to 50 MPH when you go to accelerate Hello, I started getting a hesitation/bucking in my 2001 F150 SCREW 5.4L 96,000 miles. Cheap Scan Tool: https://amzn.to/2D8Tvae3. I noticed that during acceleration onto the freeway or on inclines, the vehicle would start to hestitate or stutter as I referred to it. You are using an out of date browser. Started September 12, 2022, Lexus Owners Club of North America So my rav just started this weird shaking/chattering at around 30-40 mph. Step taken so far. Post Reply . I have not tried changing the fuel pump or filter yet. Saturn Outlook we are looking at. If I should need to change out the metal fuel lines, does anyone know the correct size for rubber tubing to connect from the gas tank forward? $29.93. Jump to Latest Follow Follow If you give it WOT the stumble will not happen or if you do like a passing a car event, the problem . Sounds like something got messed up at the last service, if those problems have only occurred since you were in the shop. It was just inspected by my local Ford dealership, and everything was running smoothly. weather permits, I'll be checking the engine with it. As others have said, lack of fuel. loved reading your article. When a engine is hesitating it will cause the car to lunge or surge which will cause a sudden jerk as the car slows down.