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P1242 Diagnostic Trouble Code Discussion for November 2010

Fuel Injector 7 Control Circuit Shorted


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Trouble Ticket Help Requests for DTC P1242
Help Request Posted
2004 Isuzu Rodeo S 3.5L MIL Lamp on VIN: 4S2CK58YX4
P1242: High Fuel Pressure Regulator Circuit High Voltage. ... 45-50 MPH. In morning will start and stall. Multiple codes stored. I was not the first person to look at this so I don't have all the original codes. Checked fuel pump pattern with Vantage, looked like crap. Installed new fuel pump assembly and pattern sti...
November 01, 2010