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1991 Chevrolet Astro 4.3L Excessive Emissions, Hesitation
Exhaust smells like gun powder. Misses out under acceleration sometimes. #2,4,&6 sparkplugs are always black
FIX posted 1/30/2000
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Message Closed w/FIX
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Related Documents & Media 
| VIN | 1GNDM19W7N |
| Engine | 4.3 L / 6 cyl |
| Symptoms | Excessive Emissions, Hesitation |
| Occurs | On Accel, Intermittently |
| Misc. | Vortec Eng |
Message Closed w/FIX
Vehicle Data
1991 Chevrolet Astro
| VIN | 1GNDM19W7N |
| Engine | 4.3 L / 6 cyl |
| Symptoms | Excessive Emissions, Hesitation |
| Occurs | On Accel, Intermittently |
| Misc. | Vortec Eng |
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