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1991 Chevrolet P Chassis 7.4L Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on
OK guys this is a simple one but I am missing something here. Motorhome has a chev 454 TBI engine. When it is cold it starts well but as it warms up it starts misfiring and will sometimes die. Then it will not hardly start. If you are driving it while it is wa...
FIX posted 5/20/2009
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| VIN | 1GBKP37NXN |
| Engine | 7.4 L / 8 cyl |
| Delivery | FI / tbi |
| Emissions | OBD1 |
| Symptoms | Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp On |
| Occurs | While Warming Up |
| Misc. | Southwind Motorhome |
Trouble Codes
| 42 | electronic spark control |
Message Closed w/FIX
Vehicle Data
1991 Chevrolet P Chassis
| VIN | 1GBKP37NXN |
| Engine | 7.4 L / 8 cyl |
| Delivery | FI / tbi |
| Emissions | OBD1 |
| Symptoms | Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp On |
| Occurs | While Warming Up |
| Misc. | Southwind Motorhome |
Trouble Codes
| 42 | electronic spark control |
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