
1999 Chevrolet Express 3500 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy
after these repairs, no codes came back and vehicle had lots of power, ran well for 3 days, returned with no power and a code for bank 1 sensor 1 not switching, hooked up scanner ,vehicle immediately started running well, road tested, still running well, no co...
FIX posted 4/25/2006
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Message Closed w/FIX
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VIN | 1GTHG39R8X |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy |
Occurs | Intermittently |
Trouble Codes
P0102 | Mass Airflow Sensor Circuit Low Voltage |
P0123 | Throttle Position Sensor Circuit High Voltage |
P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction |
P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction |
P1121 | TP Sensor Signal Lower Than Expected |
PP034 | cam sensor problem |
Message Closed w/FIX
Vehicle Data
1999 Chevrolet Express 3500
VIN | 1GTHG39R8X |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy |
Occurs | Intermittently |
Trouble Codes
P0102 | Mass Airflow Sensor Circuit Low Voltage |
P0123 | Throttle Position Sensor Circuit High Voltage |
P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction |
P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction |
P1121 | TP Sensor Signal Lower Than Expected |
PP034 | cam sensor problem |