I have an 09 Silverado 1500 with a 5.3. lately I've been having issues with rough idling and the stabilitrak light blinking as well as the trac control light blinking and rough shifting in the lower gears. When this happens it is in 2wd and going at speeds at or above 45-65 mph in clear road conditions. There are no engine codes or lights on other than the two i specified. Any advice as to what the problem may be would be greatly appreciated.
bvance764
There is a possibility that it is the throttle position sensor.
Do a site search for a very long thread that describes your problem.
Do a site search for a very long thread that describes your problem.
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