Category: OBDii Powertrain Codes

P2096 Post Catalyst Fuel Trim System Too Lean

P2096 Post Catalyst Fuel Trim System Too Lean Possible causes – Low fuel pressure– Misfire condition– Large vacuum leak– Air leak near sensor– Plugged catalytic converter– Lean air/fuel ratio– Faulty front O2 sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2096 Description The catalyst’s efficiency is demonstrated by its ability to…

P2097 Post Catalyst Fuel Trim System Too Rich Bank 1

P2097 Post Catalyst Fuel Trim System Too Rich Bank 1 Possible causes – Faulty Heated Oxygen Sensor– Heated Oxygen Sensor harness is open or shorted– Heated Oxygen Sensor circuit poor electrical connection– Exhaust leaks– Contaminated Heated Oxygen Sensor Tech description Before replacing the Heated Oxygen Sensor, inspect the sensor connector for signs of damage, water…

P2098 Post Catalyst Fuel Trim System Too Lean Bank 2

P2098 Post Catalyst Fuel Trim System Too Lean Bank 2 Possible causes – Faulty Heated Oxygen Sensor– Heated Oxygen Sensor harness is open or shorted– Heated Oxygen Sensor circuit poor electrical connection– Exhaust leaks– Contaminated Heated Oxygen Sensor Tech description Before replacing the Heated Oxygen Sensor, inspect the sensor connector for signs of damage, water…

P2090 B Camshaft Position (CMP) Actuator Control Circuit Low (Bank 1c)

P2090 B Camshaft Position (CMP) Actuator Control Circuit Low (Bank 1c) OBD Code: System: Subsystem:  P2090 – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: B Camshaft Position (CMP) Actuator Control Circuit Low (Bank 1c) Location: Analysis: Possible Causes:  Bank 1c – Camshaft B  End of Range – Circuit Lower Than Expected…

P2091 B Camshaft Position (CMP) Actuator Control Circuit High (Bank 1c)

P2091 B Camshaft Position (CMP) Actuator Control Circuit High (Bank 1c) OBD Code: System: Subsystem:  P2091 – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: B Camshaft Position (CMP) Actuator Control Circuit High (Bank 1c) Location: Analysis: Possible Causes:  Bank 1c – Camshaft B  End of Range – Circuit Higher Than Expected…

P2092 A Camshaft Position (CMP) Actuator Control Circuit Low (Bank 2b)

P2092 A Camshaft Position (CMP) Actuator Control Circuit Low (Bank 2b) OBD Code: System: Subsystem:  P2092 – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: A Camshaft Position (CMP) Actuator Control Circuit Low (Bank 2b) Location: Analysis: Possible Causes:  Bank 2b – Camshaft A  End of Range – Circuit Lower Than Expected…

P2093 A Camshaft Position (CMP) Actuator Control Circuit High (Bank 2b)

P2093 A Camshaft Position (CMP) Actuator Control Circuit High (Bank 2b) OBD Code: System: Subsystem:  P2093 – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: A Camshaft Position (CMP) Actuator Control Circuit High (Bank 2b) Location: Analysis: Possible Causes:  Bank 2b – Camshaft A  End of Range – Circuit Higher Than Expected…

P2087 Exhaust Gas Temperature Sensor Circuit Intermittent (Bank 2 – Sensor 2)

P2087 Exhaust Gas Temperature Sensor Circuit Intermittent (Bank 2 – Sensor 2) OBD Code: System: Subsystem:  P2087 – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Exhaust Gas Temperature Sensor Circuit Intermittent (Bank 2 – Sensor 2) Location: Analysis: Possible Causes:  Bank 2 – Sensor 2  Circuit Sporatic / Not Continuous  …

P2088 A Camshaft Position (CMP) Actuator Control Circuit Low (Bank 1b)

P2088 A Camshaft Position (CMP) Actuator Control Circuit Low (Bank 1b) OBD Code: System: Subsystem:  P2088 – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: A Camshaft Position (CMP) Actuator Control Circuit Low (Bank 1b) Location: Analysis: Possible Causes:  Bank 1b – Camshaft A  End of Range – Circuit Lower Than Expected…

P2089 A Camshaft Position (CMP) Actuator Control Circuit High (Bank 1b)

P2089 A Camshaft Position (CMP) Actuator Control Circuit High (Bank 1b) OBD Code: System: Subsystem:  P2089 – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: A Camshaft Position (CMP) Actuator Control Circuit High (Bank 1b) Location: Analysis: Possible Causes:  Bank 1b – Camshaft A  End of Range – Circuit Higher Than Expected…

P2081 Exhaust Gas Temperature Sensor Circuit Intermittent (Bank 1 – Sensor 1)

P2081 Exhaust Gas Temperature Sensor Circuit Intermittent (Bank 1 – Sensor 1) OBD Code: System: Subsystem:  P2081 – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Exhaust Gas Temperature Sensor Circuit Intermittent (Bank 1 – Sensor 1) Location: Analysis: Possible Causes:  Bank 1 – Sensor 1  Circuit Sporatic / Not Continuous  …

P2083 Exhaust Gas Temperature Sensor Circuit Intermittent (Bank 2 – Sensor 1)

P2083 Exhaust Gas Temperature Sensor Circuit Intermittent (Bank 2 – Sensor 1) OBD Code: System: Subsystem:  P2083 – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Exhaust Gas Temperature Sensor Circuit Intermittent (Bank 2 – Sensor 1) Location: Analysis: Possible Causes:  Bank 2 – Sensor 1  Circuit Sporatic / Not Continuous  …