P0521 Diagnostic Trouble Code Discussion for December 2018
Engine Oil Pressure Sensor Performance
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| Help Request | Posted | |
| 2009 GMC Yukon Hybrid 6.0L MIL Lamp on VIN: 1GKFK13569 P0521: Engine Oil Pressure Sensor Performance. Contacted Local Dealer and Found Out A long history with this vehicle and they will not even touch it. Oil pump replaced in the past at 48k miles Pressure sensor at 141k My gut feeling is a Ground issue. I Did find a TSB For Valve lifter Filter Plugged Eng... |
December 12, 2018 |
