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1994 Chevrolet K2500 Suburban 7.4L Excessive Emissions
ok i hope to get some ideas as i am running out this truck has high nox at 15 mph on the dyno 25 passed but close orig had 2200 ppm found hashed o2 sensor replaced it and the nox came down to 1400 found pluged fuel filter replaced it and no change looked at sc...
FIX posted 11/6/2002
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Related Documents & Media | VIN | 1GNGK26N0R |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / TBI |
| Emissions | calif emissions |
| Symptoms | Excessive Emissions |
| Occurs | Under Load |
Message Closed w/FIX
Vehicle Data
1994 Chevrolet K2500 Suburban
| VIN | 1GNGK26N0R |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / TBI |
| Emissions | calif emissions |
| Symptoms | Excessive Emissions |
| Occurs | Under Load |
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