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1996 Chevrolet K1500 Cheyenne 5.7L Excessive Emissions
This one is giving me fits. Original problem was P0300 random misfire only on load. After trying everything I finally replaced all injectors with the GM conversion kit from CSFI to MFI injectors. This fixed the misfire problem. It runs perfect. But.... imedeat...
Summary posted 10/12/2006
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Related Documents & Media | VIN | 1GCEK19M3T |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / MFI Conversion |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions |
| Occurs | Always |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
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Vehicle Data
1996 Chevrolet K1500 Cheyenne
| VIN | 1GCEK19M3T |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / MFI Conversion |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions |
| Occurs | Always |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
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