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1987 Chevrolet G20 Chevy Van 5.7L Excessive Emissions, Misfire, Poor Fuel Economy
This vehicle has a slight misfire under load and is getting poor fuel economy, all cylinders look fine on a scope but cylinders 5 and 8 are dead if a vacuum leak is created at the back of the intake by pulling off the vacuum tee hose, otherwise the cylinders a...
FIX posted 8/27/2003
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Message Closed w/FIX
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Related Documents & Media | VIN | 2GDEG25K4H |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | OBD1 |
| Symptoms | Excessive Emissions, Misfire, Poor Fuel Economy |
| Occurs | Always |
Message Closed w/FIX
Vehicle Data
1987 Chevrolet G20 Chevy Van
| VIN | 2GDEG25K4H |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | OBD1 |
| Symptoms | Excessive Emissions, Misfire, Poor Fuel Economy |
| Occurs | Always |
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