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P0090 Diagnostic Trouble Code Discussion for August 2013

Fuel Rail Pressure Regulator Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0090
Help Request Posted
2005 Jeep Liberty Sport 2.8L MIL Lamp on, Lack of power VIN: 1J4GL485X5
P0090: Fuel Pressure Regulator 1 Control Circuit Malfunction. We tested the wiring to the solenoid and the ecm wiring is good, solenoid resistance is 3.5 ohms but i could not find any specs info i really apreciate your help thanks
August 13, 2013
2008 Ford F-350 Super Duty XL 6.4L MIL Lamp on VIN: 1FTWW31R78
P0090: . This is an informational request. I am about to pull the cab on this truck to access the Injection Pump something I have never done before but have been told it is the way to go and have seen it done on other Fords (Gas engines only). The problem I have run in...
August 21, 2013