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1989 Chevrolet Cavalier 2.0L Excessive Emissions, Misfire, Poor Fuel Economy, pops in throttle bod
This car runs okay while in open loop. When car goes into closed loop it starts running very rough and pops back through the throttle body, on accelleration. The oxygen sensor voltage is very high and remains at 9.7 to 9.8 and car is running very rich. The...
FIX posted 7/7/1999
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| VIN | 1G1JC1118K |
| Engine | 2.0 L / 4 cyl |
| Emissions | FED |
| Symptoms | Excessive Emissions, Misfire, Poor Fuel Economy, Pops in Throttle Bod |
| Occurs | Hot, Under Load, on Accel, in Closed Loop |
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Vehicle Data
1989 Chevrolet Cavalier
| VIN | 1G1JC1118K |
| Engine | 2.0 L / 4 cyl |
| Emissions | FED |
| Symptoms | Excessive Emissions, Misfire, Poor Fuel Economy, Pops in Throttle Bod |
| Occurs | Hot, Under Load, on Accel, in Closed Loop |
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