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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for December 20, 2023
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2015 Chevrolet Express 2500 4.8L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1GCWGFCF8F
The van came in with rough idle, missing, loss of power exhaust leaking at manifolds. We scanned for codes. found the codes listed above. With the high miles did a tune up.I still has same miss fires. Tried swaping plugs, wires and coils from cyl 5 that ha... Trouble codes: P0300 (Engin miss fire detected), P3503, P0357 (Cylinder 7 misfire), P0053, P0135, P0030

Fixes & Summaries for GM
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