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1999 Chevrolet C3500 5.7L MIL Lamp on
This truck came in with check engine lite on. Got lean bank 1 and 2. Bank 1 at idle +9% bank 2 +7%. Checked maf for dirt at first did not really see anything. Decided to check fuel filter was about 75% clogged. Replaced the filter. Rechecked fuel trim same exa...
FIX posted 10/20/2003
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Message Closed w/FIX
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9 Replies Received
9 Replies Received
Related Documents & Media | VIN | 1GBJC34R7X |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| 171 | fuel trim lean bank 1 |
| 174 | fuel trim lean bank 2 |
Message Closed w/FIX
Vehicle Data
1999 Chevrolet C3500
| VIN | 1GBJC34R7X |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| 171 | fuel trim lean bank 1 |
| 174 | fuel trim lean bank 2 |
Video