Skip the auto shop - Our mechanics make house calls

Q: Yukon--We have replaced the Throttle Position Sensor twice now and the engine light still comes on.

asked by on

The car jerks when you take off from a stop sign and it is free wheeling when going down a hill. The odd thing that hasn't made any sense, that we had a power steering line which got bad and linked down on to the transmission and the engine light went off and and stayed off until we replaced the power steering line. The car drove perfect during this time. Could it be a ground wire and where would this ground wire be placed.
My car has an automatic transmission.

A: There could be a wiring issue in that area ...

There could be a wiring issue in that area where the oil leak was. You did not mention the code number. You may have two concerns with the vehicle. The car jerking is related to the Check Engine Light being on. The freewheeling condition could be an internal transmission problem. A road test would be required to evaluate this. If you would like to have this checked, a professional from YourMechanic can come to your car’s location to diagnose the jerking issue and Check Engine Light in order to have the correct repairs made.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Power steering loss

Hi there, thanks for writing in about your 2001 Mercedes Benz ML430. This problem could be caused by a slipping belt or a faulty belt tensioner. The power steering pulley needs to be observed while the car is parked and...

Q: Transmission replacement cost

A complete, re-manufactured transmission for your car would cost about $2,000 plus the labor cost to install it. Inasmuch as your car has only 130,000 miles, if you are having transmission problems, it might be possible to repair your existing...

Q: My cars motor overly shakes and has no power once it heats up

Hello. Sorry to hear of the difficulty that you are having with your 2003 Saturn. If there is a silver lining, it is the fact that your Check Engine Light is on (CEL) meaning that Diagnostic Trouble Codes (DTC's) have...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.