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1975 Chevrolet Vega 2.0L Excessive Emissions, Poor Idle Quality, Surge
This system has 2 main sensors: map and tps. There is an adjustment on the computer for idle mixture. When the idle mixture is set for emissions, the vehicle surges at any driving speed. When the mixture adjustment is set full rich, the car runs better (but no...
FIX posted 11/11/1998
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Message Closed
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| VIN | 1V77E5U258 |
| Engine | 2.0 L / 4 cyl |
| Emissions | FED - CAT, AIR, PCV |
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge |
| Occurs | Always |
| Misc. | Cosworth Vega Twin Cam |
Message Closed
Vehicle Data
1975 Chevrolet Vega
| VIN | 1V77E5U258 |
| Engine | 2.0 L / 4 cyl |
| Emissions | FED - CAT, AIR, PCV |
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge |
| Occurs | Always |
| Misc. | Cosworth Vega Twin Cam |
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