Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Tag: GMC
P1136 GMC HO2S Rich Mean Bank 1 Sensor 1
Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P1144 GMC HO2S Bank 1 Sensor 3 Rich or High Voltage
Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P1145 GMC HO2S Cross Counts Bank 1 Sensor 3
Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P2565 GMC Turbocharger Boost Control Position Sensor A Circuit High
Possible causes – Turbocharger Boost Control Position Sensor harness is open or shorted– Turbocharger Boost Control Position Sensor circuit poor electrical connection– Faulty Turbocharger Boost Control Position Sensor When is the obd code mean? The ECM has detected a high voltage from the Turbocharger Boost Control Position Sensor Symptoms – Engine Light ON (or Service…
P0411 GMC Secondary Air Injection System Insufficient Flow
Possible causes – Vacuum hoses damaged or pinched– Faulty Air Pump inoperative– Faulty Air Pump harness is open or shorted– Faulty Air Pump circuit poor electrical connection When is the obd code mean? The AIR system does not meet the expected flow rate during testing Symptoms – Engine Light ON (or Service Engine Soon Warning…
P0449 2006 GMC SIERRA Evaporative Emission Vent Valve Solenoid Malfunction
Possible causes – Vacuum leaks, damaged hoses or improper routing– EVAP system – Check fuel cap, canister, valves or components– Faulty purge or vent solenoids– Check connector and wiring– Fuel saturated vapor canister– Failed EVAP vent solenoid Tech description Check Engine Light Diag EVAP Codes User Submitted Video When is the obd code mean? The…
P0449 GMC Evaporative Emission Vent Valve Solenoid Malfunction
Possible causes – Vacuum leaks, damaged hoses or improper routing– EVAP system – Check fuel cap, canister, valves or components– Faulty purge or vent solenoids– Check connector and wiring– Fuel saturated vapor canister– Failed EVAP vent solenoid Tech description Check Engine Light Diag EVAP Codes User Submitted Video When is the obd code mean? The…
P1130 GMC HO2S Circuit Low Variance Bank 1 Sensor 1
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1130 GMC OBD Code Description The Heated Oxygen Sensor (HO2S) is monitored for switching. The test fails when the HO2S does not switch due to circuit or fuel at or exceeding a calibrated limit.
P1131 GMC HO2S Circuit Low Variance Bank 1 Sensor 2
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1131 GMC OBD Code Description A Heated Exhaust Oxygen (HO2S) sensor indicating lean at the end of a test is trying to correct for an over-rich condition. The test fails when the fuel control system no longer detects switching for a calibrated amount of…