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1996 Chevrolet Lumina LS 3.4L Poor Idle Quality, Misfire
Hey group, have this lumina here that about once a month when she starts up the engine in the morning after sitting all night, it will run rough for a couple of seconds then is fine for about another month, two codes are set po 300 and po601, the car has h...
FIX posted 10/14/1999
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| VIN | 2GIWN52X8T |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Cold, Intermittently, on Start Up |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0601 | PCM Internal Check Sum Error |
Message Closed w/FIX
Vehicle Data
1996 Chevrolet Lumina LS
| VIN | 2GIWN52X8T |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Cold, Intermittently, on Start Up |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0601 | PCM Internal Check Sum Error |
Video