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1999 Chevrolet C2500 Suburban LS 5.7L Hesitation, Surge, MIL Lamp on
Hey everyone, got another one of those odd intermitents. Vehicle came in complaining of lack of power up hills and MIL on, found Lean O2 codes with scandata showing O2's normal. Test drive found fuel trim high, STFT hitting close to 50% and LTFT around 15-20%....
FIX posted 10/4/2002
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Message Closed w/FIX
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Related Documents & Media | VIN | 1GNGK26R6X |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SCPI |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, Surge, MIL Lamp On |
| Occurs | Under Load, on Accel, Intermittently |
Trouble Codes
| P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage |
| P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage |
Message Closed w/FIX
Vehicle Data
1999 Chevrolet C2500 Suburban LS
| VIN | 1GNGK26R6X |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SCPI |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, Surge, MIL Lamp On |
| Occurs | Under Load, on Accel, Intermittently |
Trouble Codes
| P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage |
| P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage |
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