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P300B Diagnostic Trouble Code Discussion for May 2004

random misfire

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Trouble Ticket Help Requests for DTC P300B
Help Request Posted
1997 Chevrolet Tahoe LS 5.7L Misfire, MIL Lamp on VIN: 1GNEK13R1V
P300B: random misfire. I would like to know if any other tech,s or shops have run into fuel in main injector harness where it plugs into central fuel injector body, then travels into wiring insulation to ECM. also poppet nozzles are sticking. Thanks, Dean
May 13, 2004