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2001 Chevrolet Suburban 1500 5.3L Poor Idle Quality, Cuts out
Engine will barely run and take no throttle till it goes in closed loop. When it goes in closed loop, STFT are 52% and LTFT are 25% and O2 shows under .200 volt so engine is lean. Injector MS at 7.00, clamp off fuel return, fuel pressure goes up to 80psi and S...
Summary posted 12/9/2015
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31 Replies Received
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Related Documents & Media | VIN | 3GNFK16T11 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Cuts Out |
| Occurs | Always, Worst When in Open Loop |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
| P0300 | Multiple Misfire Detected |
Message Closed w/Summary
Vehicle Data
2001 Chevrolet Suburban 1500
| VIN | 3GNFK16T11 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Cuts Out |
| Occurs | Always, Worst When in Open Loop |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
| P0300 | Multiple Misfire Detected |
Video