P0521 Diagnostic Trouble Code Discussion for July 2015
Engine Oil Pressure Sensor Performance
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| Help Request | Posted | |
| 2005 Cadillac STS 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G6DC67A85 P0521: Engine Oil Pressure Sensor Performance. Random misfires, intermittently, when is misfiring B1 avg injector pulse is 3.5ms and B2 avg injector pulse is 7.3ms. Lambda values per bank are 1.250 and 0.950 not certain which value is for which bank. When problem is gone all values are close to each other ... |
July 31, 2015 |
