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P0200 Diagnostic Trouble Code Discussion for March 2005

Fuel Injector Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0200
Help Request Posted
2003 Chevrolet Express 2500 5.3L Poor Idle Quality, Misfire VIN: 1GCFG25TX3
P0200: Fuel Injector Circuit Malfunction. Truck came in with multiple misfires, mostly 1,8. Also MIL worked sometimes. Found TSB for wiring problem near l/f upper control arm. Repaired 4 wires that the convelute tubing wore through the ecm wiring, that got inj 1, inj 8 and the MIL working properly. No...
March 14, 2005