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2007 Tahoe 5.3 reduced engine power
September 14th, 2013, 12:38 PM
#21
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Had the same issue on my 2009, GM extended a warranty on the throttle body position sensor to 10 yrs 100,000 miles. They will also reimburse you for the repair you paid for if you have your documents.
Search for 10-Year Special Coverage 11273*
I have the letter somewhere but I am pretty sure it was back to the 07 models too.
In either case, I think the throttle body and sensors are the cause, it was the only thing I changed on mine and the problem has not come back at all.
Search for 10-Year Special Coverage 11273*
I have the letter somewhere but I am pretty sure it was back to the 07 models too.
In either case, I think the throttle body and sensors are the cause, it was the only thing I changed on mine and the problem has not come back at all.
September 15th, 2013, 7:40 AM
#22
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Since you said you have already done the throttle body, I too would suspect the Throttle Position Sensor that is part of the accelerator....its just a guess, but that has come up in the forum before...if you have not already done so, I would invest in a code reader...granted they don't diagnose the problem for you, they can help you get going in the right direction(s)
March 28th, 2017, 9:29 AM
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after throwing countless dollars at it dealing with small garages I finally broke down and took it to the chevy dealership and they replaced the j harnest and the pedal position sensor and connector and its runs fine now and codes doesn't appear anymore
April 3rd, 2017, 8:58 AM
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Originally Posted by damon white
after throwing countless dollars at it dealing with small garages I finally broke down and took it to the chevy dealership
Most Indy shops don't have the tools to diagnose the problem correctly and they are just throwing parts at the problem.
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