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P0090 Diagnostic Trouble Code Discussion for March 2023

Fuel Rail Pressure Regulator Control Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0090
Help Request Posted
2017 Chevrolet Colorado LT 3.6L MIL Lamp on VIN: 1GCHTBEN4H
P0090: fuel pump low control. ... was replaced with low mileage used engine, vehicle runs fine and dandy until ses lite comes on and sets p0090 and p00c8 codes, then reduced engine power sets in and wont accell, have load test both wires from ecm to regulator on high pressure pump, li...
March 09, 2023