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2013 Chevrolet Tahoe LS 5.3L MIL Lamp on
Came in with complaint of MIL on, some hard to start issues and unstable idle complaints. Found the 2 lean codes, ran the fuel pressure test and it was rapid needle bounce from 45-60 psi. Replace the pump module, stable pressure and no hard start now but s...
FIX posted 3/5/2026
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Message Closed w/FIX
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8 Replies Received
8 Replies Received
Related Documents & Media | VIN | 1GNLC2E0XD |
| Engine | 5.3 L / 8 cyl / FLEX |
| Trans | 6-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
2013 Chevrolet Tahoe LS
| VIN | 1GNLC2E0XD |
| Engine | 5.3 L / 8 cyl / FLEX |
| Trans | 6-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