P1601 Diagnostic Trouble Code Discussion for October 2007
PCM Serial Communications Malfunction
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| Help Request | Posted | |
| 1997 Pontiac Sunfire SE 2.2L No Start, MIL Lamp on VIN: 1G2JB524V7 P1601: PCM Serial Communications Malfunction. vehicle will try and start but it backfires threw the intake, like its out of time and dies, spark plugs are black vehicle is flooding out.checked compression, shows 125psi on all cylinders.vehicle did run for 5 minutes one time. checked vacuum while running i... |
October 16, 2007 |
