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1991 Chevrolet Corvette 5.7L Excessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy
Hello fellow techs, This corvette runs incredibly rich, have changed oil twice and cleaned plugs twice, new O2 & MAP sensors, fuel pressure regulator OK,EGR OK. No codes are stored in computer. We have replaced fuel filter and fuel pump twice (we thought maybe...
FIX posted 3/25/2003
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Related Documents & Media | VIN | 1G1YY3385M |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / Port fuel |
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy |
| Occurs | Always |
Message Closed w/FIX
Vehicle Data
1991 Chevrolet Corvette
| VIN | 1G1YY3385M |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / Port fuel |
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy |
| Occurs | Always |
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