replaced trottle boby on my 2007 chevy silverado 5.3L and now the engine idles high when i put it in park.

Asked by Oct 27, 2015 at 01:44 PM about the 2007 Chevrolet Silverado 1500 LT2 Crew Cab 4WD

Question type: Maintenance & Repair

1 Answer

79,265

Sounds like there may be a vacuum leak, check vacuum hoses and see if there is a idle screw to turn down, I know the computer adjust the idle from the sensors, so there may not be one. On mine there is one but I put a Holley on mine.

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