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1989 GMC motorhome 454CID Poor Idle Quality, Hesitation, Misfire, MIL Lamp on
I am having a problem with this motor home burning through the #8 spark plug wire boot. This problem first appeared on a 1500 mile trip, but only on the last 200 miles of a 400 miles leg. It started cutting out and possibly backfiring on accelleration, but idl...
FIX posted 5/18/2005
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25 Replies Received
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| VIN | 721LK44399 |
| Engine | 454 / 8 cyl |
| Delivery | CARB / 4bbl |
| Symptoms | Poor Idle Quality, Hesitation, Misfire, MIL Lamp On |
| Occurs | Hot, Under Load, on Accel, Idle |
| Misc. | Southwind Motorhome |
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Vehicle Data
1989 GMC motorhome
| VIN | 721LK44399 |
| Engine | 454 / 8 cyl |
| Delivery | CARB / 4bbl |
| Symptoms | Poor Idle Quality, Hesitation, Misfire, MIL Lamp On |
| Occurs | Hot, Under Load, on Accel, Idle |
| Misc. | Southwind Motorhome |
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