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1987 Pontiac Fiero Sport 2.5L Excessive Emissions, Poor Idle Quality
Vehicle came in failed emissions at idle only. HC 375ppm. Found an arcing plug wire so I replaced all including spark plugs. I also found vac leaks at EGR and throttle plate. I replaced throttle plate bushings and EGR valve and the HC went higher. Compress...
FIX posted 9/7/1999
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| VIN | 1G2PE11R4H |
| Engine | 2.5 L / 4 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / Throttle body injection |
| Emissions | US |
| Symptoms | Excessive Emissions, Poor Idle Quality |
| Occurs | Always |
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Vehicle Data
1987 Pontiac Fiero Sport
| VIN | 1G2PE11R4H |
| Engine | 2.5 L / 4 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / Throttle body injection |
| Emissions | US |
| Symptoms | Excessive Emissions, Poor Idle Quality |
| Occurs | Always |
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