I have a 2005 Ford Focus Wagon and it does the same thing! Hard to crank, No check engine light no codes stored. We're a forum community dedicated to the Pontiac G6. about 6 months ago from a friend of As the car approaches 40 mph, the RPMs will increase in the engine. Help Car sputters/bucks around 40-45 mph. - Focus Fanatics Forum Transmissions are important because they control the engine's RPMs to ensure that the engine isn't overexerting itself while accelerating. The ignition system is responsible for igniting the air-fuel mixture inside the engine to create the energy needed to propel your car down the road. I noticed that during acceleration onto the freeway or on inclines, the vehicle would start to hestitate or stutter as I referred to it. Ive been lurking this forum for a while and tried to read every forum post related to this problem Im having. remove and spray with carb spray and make the the Im not sure. I have a 2015 fusion 1.5 turbocharged after getting gas, once car is killed and I go to crank it again the car goes to shuddering and losing power. Have a 1998 manual trans. Any type of miss, or lean condition, like a clogged injector will cause a code to be set. Youll probably need to take it somewhere to have the issue diagnosed. Hey guys, My 2012 LE is hesitating shifting between 2nd and 3rd. Today, I will be better than I was Yesterday, but not as good as Tomorrow! A pop and hesitation is likely a backfire. Why would my 2004 Dodge ram 5.7 keep throwing a map sensor code and I changed out the senser and the computer and now that I have a new computer it hesitates on takeoff. 1D10CRACY 60.2K subscribers Subscribe 3.1K 583K views 5 years ago My 1999 Lincoln Town Car developed. In any case, you will likely find the problem relates to an imbalance in fuel and air mixing in the chamber. 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). Car Hesitates When Accelerating: Causes and FAQ 2016 chevy equinox stalling after putting gas in the car? There are several reasons you might be getting backfires and hesitation. 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. What is your rpm at 40 mph on a level road? Mike. Starting with cleaning the egr valve. 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. 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? Standard mailing time from the win date and the date received, will depend on the winners geographic location.14. Replaced the rear differential's front mounting cushion to clear up the problem. I purchased my Torrent October 2014 and it had approx. A bad transmission often will kick violently when trying to change gears. Run sea foam through gas tank and The oxygen sensor is responsible for calculating the amount of oxygen that was not burned in the exhaust system. wrong gear for the right speed or vice versa . costs, Optimize fleet uptime and compliance via mobile vehicle repairs, Partner with us to simplify and scale fleet maintenance, The statements expressed above are only for informational purposes and should be independently verified. Have you checked the spark plugs? You can post now and register later. 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.) Make sure youre putting the correct octane in the vehicle. 8 Reasons Your Car Engine Is Sputtering And How To Fix It - Mechanic Base The winner will be required to respond to Scottys comment within 24 hours or their win will become void and a new winner will be chosen at random. 2013 Honda Accord Hesitation/Slipping On Acceleration 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. I suspect you cleaned, as anyone would, the MAF/IAT sensors at the same time, more likely the actual "misfire" cause, as installing the O2 sensor. How difficult on the 3.5 V6? 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. Depending on what carb you have, there may be a small screen where the fuel pipe attaches to the carb at the float bowl. Scotty Kilmer, gives you a chance to win a car product, by entering in this weekly giveaway. There are a range of reasons why your car is juddering when you accelerate. $29.93. No Charging Required Car Jump Starter: https://amzn.to/2CthnUU6. No redline, just a steady acceleration. I tried the MAF/MAP route but had no luck. The children are from the small town of Bad Arolsen in the central German state of Hesse, and are reportedly in the 10th grade, meaning they are aged 16 and 17. Car has about 47K miles and has had all maintenance performed. necessary and make sure pcv valve is good 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. 11. Nissan sentra 2012 My car hesitate on red light. Bella Online: What Does a Car Transmission Do? You must log in or register to reply here. but wouldnt that throw a code? 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 has been a work in progress, and around April I finally got it running after rebuilding the carb. What could be causing this? When it does it, it does it both when I'm accelerating and decelerating. I replaced spark plugs all but number 3 today didn't change anything, change tps nothin, changed air . My car is a "beater" but now the problem has become a challenge. 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. My 2001 Toyota 4Runner when the engine is either hot or cold and in neutral when trying to rev the engine it has a big hesitation and falls on its face and then revs up every time. We are possibly buying a saturn outlook with A forum community dedicated to Ford Focus owners and enthusiasts. Could still be a carb issue even after rebuild. This did not fix the problem, just made it worse when driving. 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. 03-30-2004, 11:11 AM. My car is hesitating / jerking at speed intervals of 20 m - YourMechanic if they carry the part. wish to see more in the coming days. Pasted as rich text. in the engine (youll need a pick set like a either. See Also: Drive-By-Wire Throttle Pros/Cons. Car Hesitates When Accelerating - Find Out Why This Happens In Your Car! Battery Pack Car Jump Starter: http://amzn.to/2nrc6qRAmazon Version of Fuel Pressure Tester: https://amzn.to/2pDXiDsMechanic Monday Official Rules:1. I think plugs are OK. I just noticed when I am driving on the freeway about 65-70mph I can feel a hesitation, I hit the gas a little and it is gone. 30-40 mph hesitation - Ford Truck Enthusiasts Forums If you let your fuel injectors continue to be dirty, then it will impact how much fuel gets injected into the chamber. November 27, 2011 in 90 - 00 Lexus LS400, I am sharing my experience with this chronic problem of misfire at a certain speed when cruising that I see repeatedly in this forum, First I admit that this forum helped me a lot to find the cause of my problem but unfortunately after spending lot of money in changing many parts, First thing I want to say is that many issues can lead to the same symptoms of hesitation or misfire between 40 to 60 mph, Hesitation at this speed does not mean that the engine is only hesitating at this speed and THIS IS THE TRICK, The misfire is clearly felt at this speed because the torque converter clutch is engaged that means the engine and transmission are considered as 1 unit so any slight misfire in the engine will be felt in the transmission and this is happening only when cruising. It ran problem started the first day of new car purchase. Only to find out that it was my EGR Thanks to this article I will also try cleaning the MAF but It still does it with the air cleaner disconnected but it is worth a try. (Kirchoff's third law), Measuring is knowing.. but only if you know what you measure. Could be bad gas or an unrelated issue. I could see a faulty O2 sensor leading to a failed emissions test or lousy gas mileage but dramatic engine mis firing at a narrow band of speed seems something other than fuel trim is at fault. I also smell a burning smell coming from under the hood when driving and I dont know if its oil or fuel etc. It happened to her again yesterday. This helps the engine control unit determine the right amount of fuel to inject into the chamber. When the air/fuel mixture in your engine is too rich, a blockage can develop in the catalytic converter over time which disrupts the airflow of the exhaust system. YourMechanic All rights reserved. If this is the case, it means something has gone wrong with the car that makes the engine or transmission computer think it needs to run a really conservative calibration to protect the powertrain. looked at that yet? hesitates when cruising at 40 to 60 mph. My front end shakes when I accelerate at low and high speeds 2003 Pontiac Grand Prixh, A Buyers Guide to the 2012 Mercedes-Benz ML350 BlueTec, A Buyers Guide to the 2011 Mercedes-Benz ML450 Hybrid, How to Replace a Car Battery Temperature Sensor. Signs of a Bad Transmission on a Car at 40 MPH | It Still Runs 40 MPH Vibration | Tacoma World 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. It's often difficult to discern the difference between an ignition misfire and a torque converter malfunction. 1 Answer Engine V6 is hesitating when accelerating over 40 mph Engine hesitates and almost misses when accelerating over 40 mph. Good work ehabmarco. Any ideas or things to look at would be appreciated. Or show off your own car mod on Wednesdays. It can perform light off-roading tasks while still being able to tow a good amount of weight. This giveaway complies with all applicable federal, state, and local laws, rules, and regulations, including U.S. sanctions.15. Just wanted to make you aware of a potential problem, and to include it as part of your search. I had them replaced and the jerking stopped immediately and hasn't come back. If that doesnt do the trick, you may need to have them professionally cleaned or simply replaced with new fuel injectors. Cleaned that off and the problem went completely away. Used to happen to me after wheeling when I would shake all the rust particles from the bottom of the tank. Professional Socket Set: http://amzn.to/2Bzmccg 4. Any misfire codes? VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. If I start below those RPMs or above there it shifts and goes fine, no bogging down either. Car jerking at 40-50 mph | Drive Accord Honda Forums 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. Why does my car jerk at 40 mph? - Sage-Answers Replace your fuel filter and ad a pre filter like this one. Camry 5th and 6th Gen '02-'11, Solara '04-'08. My car jerks slightly when I'm at a steady speed or tryin - YourMechanic Michael Davidson started writing screenplays in 2003 and has had a screenplay professionally produced. Flat rate pricing based on labor time and parts, Hand-picked, community-rated professionals, Trusted mechanics, rated by thousands of happy car Only happens in the top gear around 40-45 mph. The car still struggles with acceleration, jerks more than it smoothly drives, shakes if I try to go too fast, brakes get hard sometimes and engine stalls forcing me to pullover and cut it off for a few mins before driving again. If you pull the plugs, how do they look? 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. Very common problem on the LS400 specially 1995/1996. If it's been sittting, you may have condensation and/or rust in the tank making it's way through the system. ESBJr, have you ever found out what the problem 4 inch lift, Winch, Aussie rear. I have changed the TPS, coil, coil igniter/module, plugs, cap, wires, rotor. Car Jerks When Accelerating: Causes and Fixes - Rx Mechanic 4 inch lift. Car advice. 13 Answers 805 richksiny answered 7 years ago i would say fuel filter , pump as well. I checked the PCV and it was okay so I reinstalled it. The radiator fan operates on a fused circuit with high amperage relays to drive them. If the MAP sensor is not working, the engine control unit wont know how much fuel to inject in order to accommodate the given engine load. Any suggestions? Hesitation Problem with 2007 LE I4. It's like the truck shouldn't be shifting that soon. ALL have result in a CEL but NONE exhibited any physical indication of fault. My 2007 Ford Edge hesitates/ jumps at 60-70 mph. Billy from United States 7 years ago BI Comment Same issue here 17 reports Why Your Car Hesitates When Accelerating From Stop: 11 Reasons Car runs great between 0-40 mph and from about 50 mph on up but the car jerks while eccelerating between about 40 - 50 mph. It goes away when I get out of that window of speed or push OD off. Any ideas what it could be or where to . It starts as the Rav slows through 40 MPH; sometimes starting around 42-45 MPH and will continue through about 35 MPH. I had it flashing CEL for 10 seconds but it never stored a code (trust me, I have the stuff to find out). Hesitation on acceleration. F133S with LC-10 S-Series Large Body FUMOTO Valve with Short Nipple and LC-10 Lever Clip for 12mm-1.25. Ethanol vs Non-Ethanol Gas (Which is Better? When was the last time the spark plugs were changed? Copyright 2023 Leaf Group Ltd. / Leaf Group Media. Lexus # 89465-50120 / Denso OEM # 234-4138 / Denso Universal # 234-4209 / Bosch OEM # 13441 / Bosch Universal # 15733, Bank 1 Sensor 2 - Driver's side (rear) near catalytic converter. Is there some documentation on changing the spark plugs? One thing is for sure, you wont be able to drive safely if your engine keeps hesitating while youre on the road. BEST Place to SELL 1994 LS400 LEXUS with 166,000+/- miles. If still having issue after that let me know. when I try to stay at 40 45 mph my car chugs jerks slightly, but when I hit the gas it goes away only usually at those speeds. 2 people found this helpful. 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. 40 mph and the sputtering begins | IH8MUD Forum Im not sure I understand the question. Misfiring might be occuring. Saturn 4 door stick , 1.9 . This obviously means we are imagining it, NOT. my car has loud knocking sound, and shifts real hard, 1998 Saturn S-Series 2 Dr SC2 Coupe For Sale, Do Not Sell or Share My Personal Information. Check and change the starter relay on the inner fender near the battery. Im not sure. Shaking subsides at around 45 mph. The winners full name and address will only be used to mail the giveaway prize to the winner and nothing else. Are you asking if oil on plugs could cause a bad fuel pump? She kept it well maintained from what I was told. That rules out 2, 3, and 4 of your theory. fuel pump. 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. Can you narrow down when it hesitates? Many times, while driving the Drive (D) indicator & Reverse (R) indicator appear on the dashboard at thesame time, after sometimes it returns normal. 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. I have a2016 Nissan Sentra my car flutrate sometimes like it wanna kill ,put it on a machine and no codes come up,Can u tell me whats wrong. Fuel mileage is bad now as well. By Drives fine otherwise. We took the car to the dealer where we purchased it and they were unable to find anything because there were no codes present. Have a 1998 manual trans. Lexus # 89465-50130 / Denso OEM # 234-4630 / Denso Universal # 234-4209 / Bosch OEM # 13632 / Bosch Universal # 15733, Bank 2 Sensor 2 - Passenger side (rear) near catalytic converter. Your vehicle has two cooling fans, one is for the AC, the other is for the radiator. How many miles? Doesnt using an abbreviation only to then state what the abbreviation stands for really defeat the purpose of aforementioned abbreviation? He is a graduate of Michigan State University and holds a Bachelor of Arts in advertising. The vehicle may even stumble entirely during these seconds. 2023 CarGurus, Inc., All Rights Reserved. An engine hesitation is an interruption of continuous power during acceleration. Can you help diagnose? I have had the car in the shop at least 4 times for this problem, which has improved, but it is not completely resolved. My advise is to go with the following sequence: 1- check spark plugs and wires (must be original), 2- Oxygen sensors (and this was my case one of the 2 main oxygen sensors was dead and caused the random misfire), These are the most common causes of misfire.