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Automatic transmission car jerks at 40 mph - 2002 Mitsubishi Lancer

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2 Answers

My 2000 dodge neon jerks when shifting to 2nd and 3rd gear and when going up a hill.


Check the vacuum modulator on the transmission for a cracked leaky vacuum hose.

Sep 14, 2017 | Dodge Cars & Trucks

1 Answer

Jerks while driving


Not sure if your indicating a definite transaxle issue
& only at 40 to 50mph
Drag the brake while still on the gas, see
if it goes away,then you got torque converter lock-up
issues (TTC), if not then you need to make it is not
something other than the transmission, otherwise
the trans is in trouble and may have to come out
& apart
Check drive axles & all motor & trans mounts, regardless
of the trans problem

Jul 23, 2013 | Honda Civic Cars & Trucks

1 Answer

2009 VW Routan car jerks when let off gas


Check Your Motor And Trans Mounts

Jul 04, 2013 | Cars & Trucks

1 Answer

2001 BMW 325i Rattling / vibrating and iddle drop at 2000 RPM and 40 MPH


check for problem drive line "U" joints or cv joints

Apr 24, 2017 | 2001 BMW 3 Series

1 Answer

I think my automatic transmission modulator valve is going out because it jerks and vibrates when i accelerate anything above 50 MPH.


90 % of the time jerking or vibration is usually caused by the engine and not the transmission. The most common cause is cylinder misfiries caused by the ignition system that cause the vehicle to ****, stumble, or shudder which make it appear and feel as though the transmission is the cause. Most transmission problems will cause harsh shifts, slippage, and/or delayed engagement but rarely jerks or vibrations. I'd start by looking at the spark plugs, plug wires, and coil packs to make sure they are all ok first before going any further. The reason most of these problems are more noticable over 50 mph is that the torque converter clutch is engaged at this point and it provides a solid connection between the engine and drivetrain which makes engine misfires more noticable. Good luck, hope this helps a bit!

Jul 07, 2010 | 1997 Chevrolet Lumina

1 Answer

When i get to about 4 mph the car will start


Drive the car in 3rd gear and if the problem goes away it will be the overdrive that is at fault

May 06, 2010 | 2002 Lincoln LS

1 Answer

99 dodge ram that jerks between 40 and 50 mph


Bring it back to the transmission shop and have them test drive it with the scanner to see if the Throttle Position Sensor (TPS) needs to be replaced. A worn TPS will case the transmission to have shifting problems, the TPE sends voltage signals to the PCM and will control the transmission shift points and firmness. If the TPS has a flat spot and the voltage is down at the point where the transmission needs to shift, there may be a conflict of shift program and needs to be addressed. Good luck and keep me posted.

Dec 08, 2009 | 1999 Dodge Ram 2500 4WD

1 Answer

Hyundai Elantr 2002, automatic. When the car running, I sense changing gear (at ~30 mph) and there is jerking. Then the engine light comes on. Then the speed pickup is bad. suggest what could be wrong....


I had something similar happen. My check engine light never came on but i did experience the jerking between the 30 and 40 mph mark. Have your fuel injector checked to see if its dirty. Also have your fuel lines checked to see if you have water in it and have them check the transmission fluid. its possible you can be low. When I had the problem i did all 3 of these things. My car does not **** anymore. Also another problem could be your valve cover gasket.

Jul 03, 2009 | Hyundai Motor 2002 Elantra

1 Answer

Car shudders at 40-55 MPH


How about the CV joint?? were they inspected for wear??

Jul 05, 2008 | 1998 Dodge Neon

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