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08 Impala LT 3.9L accelerator pedal position sensor replacement
Does anyone have any helpful information, a "how to" guide or photos on how to replace the accelerator pedal position sensor? Also, can this be done at home or does the sensor need to be "taught" by a dealer or computer?
Any and all information is greatly appreciated and thank you in advance! Here is the problem I am having: As I try to take off from a stop light I can push the pedal and the car does not react...does not race the engine, does not move at all then all of a sudden my car takes off. After doing other research on the internet I believe this sensor is the problem and needs to be replaced. |
Welcome to the forum.:) Unfortunately problems like yours take more than throwing parts at the problem. Consider taking it in for service. If you are still covered by the 5yr/100k powertrain warranty, even better.
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Thank you for your input. Do you, or anyone else, think that I have diagnosed the cause of my problem correctly? Could something else be causing this problem?
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If you would like some more in depth information on your vehicle you may want to look into getting a service manual for your vehicle at www.helminc.com. I am unable to comment on whether or not your diagnosis of your vehicle would be correct. I hope these suggestions offered to you help you.
Jeff Morris, Chevrolet Customer Service |
How to change impala accelerator app sensor
This is one of the simplest jobs that you will ever find. NAPA, Auto zone has them for about $60. You will need a 10 mm socket,rachet & extension along with a small flat blade screwdriver. First remove the 2 bolts that holds the accelerator pedal down, next use the small screwdriver to push down on the clip on the connector & unplug. Do everything in the reverse order to install. There is no learning curve for the computer it just works. I did my 2009 impala in less than 10 minutes after find tools. This cleared the p2138 & p2127 codes from coming on.
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