P1550 Diagnostic Trouble Code Discussion for January 2011
Battery Current Sensor Range/Performance
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| Help Request | Posted | |
| 1996 BMW Z3 Roadster 1.9L Poor Idle Quality, Misfire VIN: 4USCH7328T P1550: Idle speed control valve closing solenoid control circuit. Intermittently problem with poor idle quality and misfire. I have driven this car for a 1/2 hr. stopped and drove for another 1/2 hr and everything worked perfect. The next time I started the car it had a poor idle and a bad misfire. This is when the codes s... |
January 27, 2011 |
