
1999 GMC Sierra 1500 SLE 4.3L Poor Idle Quality, Surge, Misfire, MIL Lamp on
interpeted fuel trims as -13 stayin open loop longer than usual o2s never been changed ,maf normal shows good on brick,o2s switching , looks normal but see codes above don``t want to r and r o2s want to be sure any help would be apprecm thanks paul
FIX posted 11/25/2009
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Message Closed w/FIX
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VIN | 1GTEC14W9X |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 5-speed Standard |
Delivery | FI / throttle body |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, Misfire, MIL Lamp On |
Occurs | Under Load, on Accel, Idle |
Trouble Codes
151 | low volts b2s1 |
300 | mulyiple cyl miss detected |
P00 | |
P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage |
P0137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage |
P0157 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage |
P1351 | Mass Airflow Sensor Circuit Performance |
Message Closed w/FIX
Vehicle Data
1999 GMC Sierra 1500 SLE
VIN | 1GTEC14W9X |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 5-speed Standard |
Delivery | FI / throttle body |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, Misfire, MIL Lamp On |
Occurs | Under Load, on Accel, Idle |
Trouble Codes
151 | low volts b2s1 |
300 | mulyiple cyl miss detected |
P00 | |
P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage |
P0137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage |
P0157 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage |
P1351 | Mass Airflow Sensor Circuit Performance |