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1989 Pontiac Firebird 5.0L Excessive Emissions, nox failure
car runs well no customer complaints. did motor vac no help egr passage do not appear to be plugged up don't rember off hand exact hc,co,co2 readings all apear to be ok what readings should i expect to have at idle and at asm5015 pre and post cat what am i ove...
FIX posted 8/9/2001
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Related Documents & Media | VIN | [No VIN Available] |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / tbi |
| Emissions | us fed |
| Symptoms | Excessive Emissions, NOx Failure |
| Misc. | 8Th Didit Is E |
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Vehicle Data
1989 Pontiac Firebird
| VIN | [No VIN Available] |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / tbi |
| Emissions | us fed |
| Symptoms | Excessive Emissions, NOx Failure |
| Misc. | 8Th Didit Is E |
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