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I have had this problem multiple times as well.. I have spent well over $3000 fixing a 2008 Chevy Impala SS.. makes me not want to even buy another GM car ever.. Now today.. Service Stabiltrack light comes on.. smh.. whats next?
I'm having problem with my 2009 Chevy Impala 3.5L. I've had this car for 3 years and no major problems till a few months ago. This started happening around 5 months ago At first it was the engine power reduced I Fix this myself by replacing the Accelerator Pedal Sensor, now the traction control light and then the check engine light started coming on and the engine would start losing power. I'm not sure wants wrong with is now
I have a 2009 Chevy Impala, I bought it used with 42k at a local dealership. At 45k the Service traction control Reduced Engine power alarm came on. The dealership changed the accelerator pedal, the problem went away until 80K. It was sporadic, only occuring when it rained. I took it to a new car dealer and they said it was the Throttle body sensor. I replaced 3 throttle bodies, the first being the original, and the other two due to none of the local dealers knowing that it had to be programmed. I took it to Arnell Automotive group in Chesterton, IN and they programmed it for me, the Service Mananger Mike was awesome in looking up the information. After 5000k the problem came back, again in the rain. I found the wiring harness was on top of the engine mount bolt. I moved it and checked the wires and did not find any damaged. I taped it with high temp, corrosive resistant tape. It helped for 200 miles then it came again. Again in the rain. None of the dealers no why and whats wrong with it. Now its starting to do it in snow, and when I don't drive the car for 24hrs and it sits in the drive way. In the drive way it trips the code when you start the car without the car moving. The codes I get are P2176, and P2138. BTW even with the traction control off, I hit a icy spot in the road at 30mph and it shut the car down. The car has become VERY DANGEROUS. Chevy help!
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