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1994 Chevrolet Camaro Z28 5.7L Excessive Emissions
Vehicle is failing Nox at cruise. Cut off is 408ppm actual is 599ppm. Found EGR not being commanded on during test. I can not find what criteria has to be met for egr to be commanded. Egr does function properly when manually grounded from PCM. Pre Cat readings...
Summary posted 9/29/2008
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Message Closed w/Summary
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| VIN | 2G1FP22P2R |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / mpi |
| Emissions | fed emission |
| Symptoms | Excessive Emissions |
| Misc. | Excessive NOx |
Message Closed w/Summary
Vehicle Data
1994 Chevrolet Camaro Z28
| VIN | 2G1FP22P2R |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / mpi |
| Emissions | fed emission |
| Symptoms | Excessive Emissions |
| Misc. | Excessive NOx |
9 Replies Received
9 Replies Received
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