P228D Diagnostic Trouble Code Discussion for December 2020
Fuel Pressure Regulator 1 control performance
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| Help Request | Posted | |
| 2015 Chevrolet Equinox LT 2.4L Poor Idle Quality, Surge, MIL Lamp on, reduced power mode VIN: 2GNFLEEK4F P228D: Hi pressure regulator performance too high. 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 |
