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P0089 Diagnostic Trouble Code Discussion for December 2020

Fuel Pressure Regulator Performance


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Trouble Ticket Help Requests for DTC P0089
Help Request Posted
2015 Chevrolet Equinox LT 2.4L Poor Idle Quality, Surge, MIL Lamp on, reduced power mode VIN: 2GNFLEEK4F
P0089: hi pressure fuel pressure regulator performance. OK.. customer reports this only happens when the car is idling and she is on line at a store at fully warmed up temperature.I put my oil pressure gauge in place of the sensor...results are 72 psi cold @ idle...but fully warmed up it drops to 10 psi. and en...
December 21, 2020