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1998 Chevrolet K2500 Cheyenne 5.7L Excessive Emissions, Poor Fuel Economy
vehicle has low power, has rich condition both banks, IAT would drop out, disconnected the MAF and the problem with the IAT went away. Replaced the MAF no more problem with the IAT. Checked the cam crank signal on the scope, looks good, checked the coil primar...
Summary posted 7/20/2017
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Message Closed w/Summary
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24 Replies Received
24 Replies Received
Related Documents & Media | VIN | 1GCGK29R3W |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / central sfi |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Fuel Economy |
| Occurs | Always |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
| P0175 | Fuel System Too Lean (Bank 2) |
Message Closed w/Summary
Vehicle Data
1998 Chevrolet K2500 Cheyenne
| VIN | 1GCGK29R3W |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / central sfi |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Fuel Economy |
| Occurs | Always |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
| P0175 | Fuel System Too Lean (Bank 2) |
Video