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1999 Chevrolet K2500 5.7L MIL Lamp on
customer replaced fuel pump before we got involved. long term fuel trims 25% on both banks at idle. Smoked entire intake and found no leaks. Replaced maf twice, no change for better. Wondering if fuel pressure is too low or if injectors are starting to get res...
FIX posted 8/29/2013
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Message Closed w/FIX
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45 Replies Received
45 Replies Received
Related Documents & Media | VIN | [No VIN Available] |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
1999 Chevrolet K2500
| VIN | [No VIN Available] |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Video