P0502 Diagnostic Trouble Code Discussion for March 2005
VSS Circuit Low Input
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| Help Request | Posted | |
| 1996 Chevrolet C1500 5.7L Poor Idle Quality, Misfire, MIL Lamp on P0502: VSS Circuit Low Input. Engine idles rough and won't idle lower than 1200 rpms. A week after spark plugs were replace #2 spark plug looks darker than the other ones. Scoped engine And found kvs ranging between 8 & 12 kv. #2 had 8kv and spark line was shorter than others, about .7... |
March 06, 2005 |
