car hesitation around 40 mph
Car Hesitates When Accelerating Uphill? (4 Known Causes) - Auto Care Aids If you are using bad fuel which is has been sitting in your tank for too long or is too low of an octane for your engine, it can cause many different problems. It's like the truck shouldn't be shifting that soon. It seems to be only at very specific RPM (approx. ESBJr, have you ever found out what the problem This along with using 87 octane or higher gas solved the issue entirely. I' have also changed the EGR but that did not help That will be my next step. Just for giggles try putting in a water-remover fuel additive to the gas tank and see if there is any difference. I have replaced the plugs, coil packs, fuel filter, transmission was serviced - new filter/fluid and it still does it. Transmissions are important because they control the engine's RPMs to ensure that the engine isn't overexerting itself while accelerating. This will cause hesitation as you accelerate. Most of the time if the vehicle is running fine it comes on from low brake fluid or a failing wheel speed sensor (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-wheel-speed-sensor). Only to find out that it was my EGR If I am not driving at that speed and accelerating in the same rpm range . http://www.g6performance.com/forum/showthread.php?t=22038. Thanks for the thoughts and suggestions. DS18 PRO-ST 1.9" Replacement Upgrade Bullet Compression Tweeters with Crossovers- Car OEM Tweeter Upgrade Kit for Many Subaru/Toyota Models - Replacement for H631SFJ101 and H631SFJ100 (Pair) $79.95. It hesitates for a second and then takes off. The b-body EGR was designed to work with a certain amount of back pressure and has a tendency to fail early when used with a cat-back. At that moment, a bad transmission can cause the car to jerk, and that could be accompanied by a loud "slamming" noise. Either there will be too much air or fuel, or too little. This requires closer diagnosis. 10 Causes of Car Engine Hesitation When Accelerating - Oards Automotive Hub My 2007 Ford Edge hesitates/ jumps at 60-70 mph. If you do not agree to these terms, then do not enter the giveaway.Things used in this video:1. Ford F-150 Jerking/Hesitation: causes and solutions - StartMyCar cant maintain a speed over 50 . Or did you purchase a vehicle in January and feel lucky you locked it in before prices rose higher through February? CLEARED CODES AND CAR DRIVES FINE. Changed my spark plugs new valve cover gaskets oil on dip stick looks clear though had fuel in oil but tried igniting the oil on dip stick , nothing . Have a 1998 manual trans. It's FREE! JavaScript is disabled. Here's an excerpt on the various sensor cross referencing (of part numbers): There are four O2 sensors in the LS430. Your link has been automatically embedded. Could be a number of things. Also, a loose motor mount, or rear diff'l mount, might result in a tugging feel due to the resulting "in and out" action of the lockup clutch, at those speeds. Does the same thing while in gear and while accelerating as it shifts to the next gear it hesitates each time it shifts through all four gears. Ever since they replaced the plugs everything works AMAZING and the car drives really smooth. So I called and had it towed home the remainder of the way. This is because something is wrong within the engine bay - what could that be? if I was guessing & it had no code I would run some Techron through the tank. It's often difficult to discern the difference between an ignition misfire and a torque converter malfunction. Saturn SL with 169450 miles.. about 50 miles ago she started stuttering from front to back while in 4th gear going about 35 mph also in 5th gear going 70mph. My car stalls when Im getting ready to pull of at a light and when I hit the gas I have hit hard for it to go and I have my fuel pump changed I have transmission leaks they were fix it just started doing it a few minutes and my car knocks while sitting a light and rattles when I take off sometimes, Any answers you described my issue to the T, I was wondering why does my car lose power/jerks and hesitates to accelerate when Im close to the E Ill have 60 miles of fuel left and it starts to act weird. Alpine s10" dual 2 ohm voice coil Subs in a ported box JBL GTO-14001 1500w amplifier, tint, stock everything else! which of the 4 wires to connect? 2CarPros: Car Acceleration Questions and Answers. year amongst other things. Could be some debris in the secondary jet. I basically have to push pedal 3/4 way down so that it downshifts and accelerates.. They definitely needed replaced, but that still didn't fix the bucking issues. Once Im going faster or slower it stops. Follow the red battery cable to the inner fender relay and this should be your problem. It never stalled and otherwise drove great. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Yes my question was about testing the oxygen sensor, it is a 4 wires type (2 black, 1 blue, 1 white), it would be great if you can post it, About the other trac code error 47, it was a little adjustment that needed to be done to the traction control sensor position and the code now is cleared. a friend. I feel it if I accelerate quick or cruise, and feel it more when I coast. In any case, you will likely find the problem relates to an imbalance in fuel and air mixing in the chamber. Hesitation (Misfire) When Cruising At 40 To 60 Mph Nothing else has been done since I've had it. If Hello - from your symptom description, you have a worn out or damaged Constant Velocity joints (https://www.yourmechanic.com/article/is-it-safe-to-drive-with-a-damaged-cv-joint) on one or both front axles. It is also common to experience issues when switching from park to drive for transmission problems. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Could be bad gas or an unrelated issue. The Fora platform includes forum software by XenForo. In my case, that was a defective wire (cracked or burned..) A cracked or broken sparkplug would make run the engine very rough right away at any gear. Car has about 47K miles and has had all maintenance performed. I took several days before reseting the CEL "took". Sign in or register to get started. My car hesitates some times around 35 to 40 mph and is more - Fixya While not optimal from an emissions perspective the cars still ran fine. There's a wealth of information to be found in what you get from it. Have a 1998 manual trans. It seems more Torque converter lock than loading. We're a forum community dedicated to the Pontiac G6. ALREADY CLEANED INJECTORS AND CHANGED EGR GASKET. to Amazon, eBay and other sites may include affiliate code. When I bought it they said If you purchased it locally and do not have the receipt, just take it back and they may have the sale on record. I'm going to try that next. I ran Gumout through the gas tank, changed plugs, wires as well installed a brand new EGR. You must log in or register to reply here. When the issue persist, it grow worse that, the RPM will get close to zero. I cleaned the carb and put some sea foam in it ..noticed have oil on spark plugs on threads and getting down into chamber . Not if its unfamiliar to the audience or needs to be disambiguated. Saturn Outlook we are looking at. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Oct 30, 2019 If there is no oil in the crankcase, the engine is going Are you currently in the car market and getting discouraged by high prices? Car is Right around 40 in what I believe were the car is shifting into 4th gear or overdrive the car starts to jerk (RPM's do not fluctuate/MPH do) If I give it some gas at this point the jerking stops but may return at higher speeds. Oct 30, 2005 I have a 91 RT TT Stealth, about 48,000 miles. When trying to answer why your car hesitates when accelerating, the most common reason might be the mass airflow sensor is clogged or damaged. I tried replacing the MAF and MAP sensors first. I had them replaced and the jerking stopped immediately and hasn't come back. However, sometimes car jerks when accelerating is a common problem faced by several car owners. I've been an auto mechanic for the past 50 years and I'm here to share my knowledge with you.Here's our weekly video schedule:Monday: Tool giveawayTuesday: Auto repair videoWednesday: Viewers car mod show offThursday: Viewer Car Question Video AND Live Car Q\u0026AFriday: Auto repair videoSaturday: Second Live Car Q\u0026ASunday: Viewers car show offSecond Daily Upload Every Afternoon of Live Car Q\u0026A videos as well!Scotty Kilmer is a participant in the Amazon Influencer Program.#savagescotty 1900-2100 or so) and only when shifting from 2nd to 3rd. the S series doesn't have a MAF but a MAP Unfortunately Im still at a loss for answers and I am darn close to rolling her down the quarry lol. weather permits, I'll be checking the engine with it. If so, I can post the diagnostic procedures from the '92 Repair Manual. Even if you purchased it online, you might be able to get a store credit at a local retailer like Autozone, Advance, Pep boys, O'Reilly's, etc. 45 mph it sputters Thats about the speed when a bad fuel pump gives up. This problem can develop at any speed, depending on which gear of the transmission is going bad. It is possible for you to mistakenly think your gears are slipping when in fact it is your engine hesitating. There are a lot of things that can cause this. If the oxygen sensor is not working properly, then the proper air and fuel mixture cannot be achieved. I think Is it just on cold start, certain ambient temperatures, etc? Now it is starting to stall when stopped. I have also noticed the same thing driving the car today. This giveaway is open worldwide.7. We are possibly buying a saturn outlook with Car advice. It goes away when I get out of that window of speed or push OD off. It happened to her again yesterday. No problems starting and traveling at slower speeds but once again 20 mins into the drive traveling between 40-45 mph the sputtering began. Wheel balance issues tend to manifest in that speed range. wish to see you more in the coming days. Fix the admin first, then fixing the website becomes so much easier. Is there an easy way to check for vacuum leaks that you know of? Getting ready to change the up-line O2 sensor(s) and then maybe the MAP if the O2s dont work. Sometimes this can be a quick, cheap, easy fix for initial stumbling and hesitation when you step on the gas. Well a few more miles down the road it started again. A good scan tool might reveal something but it may require that the car be hooked up to diagnostics while the actual event is occurring, so that data from various sensors and modules can be captured in real time and analyzed by a skilled mechanic. It is basically stock and has been desmogged. Low fuel pressure will cause the engine to run very leanly, and therefore it may cause the engine to sputter. First, a word about that latter, last, link. We took the car to the dealer where we purchased it and they were unable to find anything because there were no codes present. When I apply throttle it hesitates and stumbles. Car Jerks When Accelerating: Causes and Fixes - Rx Mechanic Shudder or Vibration While Driving at Speeds Between 35 and 40 MPH on Acura MDX Problem Description A shudder or vibration may develop while driving at speeds between 35 and 40 MPH. WHY DOES CAR HESITATE AROUND 40MPH AND STARTS TO JERK. Hesitation/Stuttering While Driving Between 40-50 MPH Car - Edmunds 1) Either transmission chooses wrong gears around 30-40 mph speed or something else, but car jerks sometimes significantly.