high idle and misfire
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high idle and misfire
2009 silverado 1500 5.3 litre
after i start a cold engine the rpms rev up to 2500. It wont kick down with the accelerator pedal. I turn off the engine restart and the engine runs fine. code # p0300 is on the diagnostic reader. Any thoughts on what i am dealing with. Thanks
after i start a cold engine the rpms rev up to 2500. It wont kick down with the accelerator pedal. I turn off the engine restart and the engine runs fine. code # p0300 is on the diagnostic reader. Any thoughts on what i am dealing with. Thanks
Last edited by mountainmanjoe; Jan 18, 2024 at 9:04 PM.
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Jesse Matthew
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