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Prev Professional Automotive Repair Technical Discussions for March 17, 2023
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2019 Chevrolet Colorado LT 2.8L Misfire VIN: 1GCHSBEN4K
Hi all. Rough idle, misfire on #2 on the GDI 3.6. Sprayed 2 cans on valve cleaner through the intake at 2500 rpm. No change. Popping through the intake as well. Injector balance test within specs so I am leaning toward carbon on the intake valves and plann... Trouble codes: 0300 (misfire)

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