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1991 Chevrolet K2500 Cheyenne 5.7L Excessive Emissions
Hi guys! This one has been a problem for 2 days, and now it's your turn! (All readings are precat) At idle, the BLM drops to 102, with INT of about 113. The HC are 579 ppm, while CO is .56%. OK so far, high HC, normal CO. IN open loop, the BLM is 126, while th...
FIX posted 5/31/2000
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Message Closed w/FIX
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| VIN | 2GCFK29K8M |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Standard |
| Delivery | FI / TBI |
| Emissions | OBD1 |
| Symptoms | Excessive Emissions |
| Occurs | Always |
Message Closed w/FIX
Vehicle Data
1991 Chevrolet K2500 Cheyenne
| VIN | 2GCFK29K8M |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Standard |
| Delivery | FI / TBI |
| Emissions | OBD1 |
| Symptoms | Excessive Emissions |
| Occurs | Always |
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