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1999 Chevrolet Express 3500 LS 5.7L Poor Fuel Economy, Low power
Engine runs smooth with no misfire of hesitation, always starts right up. When rev'd it remains smooth but feels restricted (hence replacing the converters). Road test leaves you feeling less than satisfied as it struggles to reach speed limits in town. Codes ...
FIX posted 7/9/2012
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12 Replies Received
12 Replies Received
Related Documents & Media | VIN | 1GAHG39RXX |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy, Low Power |
| Occurs | Under Load, on Accel, Cruise |
Trouble Codes
| P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage |
| P0137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage |
| P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage |
| P0157 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage |
| P0327 | Knock Sensor Front Circuit Low Voltage |
| P0463 | Fuel Level Sensor Circuit High Voltage |
Message Closed w/FIX
Vehicle Data
1999 Chevrolet Express 3500 LS
| VIN | 1GAHG39RXX |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy, Low Power |
| Occurs | Under Load, on Accel, Cruise |
Trouble Codes
| P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage |
| P0137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage |
| P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage |
| P0157 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage |
| P0327 | Knock Sensor Front Circuit Low Voltage |
| P0463 | Fuel Level Sensor Circuit High Voltage |
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