P20A0 Buick Reductant Purge Control Valve Circuit /Open P20A0 Buick Information for specific makes Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore…
Category: Buick
P2097 Buick Post Catalyst Fuel Trim System Too Rich Bank 1
P2098 Buick 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,…
P2098 Buick Post Catalyst Fuel Trim System Too Lean Bank 2
P209A Buick Reductant Injection Air Pressure Sensor B Circuit Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick…
P209A Buick Reductant Injection Air Pressure Sensor B Circuit
P209B Buick Reductant Injection Air Pressure Sensor B Circuit Range/Performance Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier –…
P209B Buick Reductant Injection Air Pressure Sensor B Circuit Range/Performance
P209C Buick Reductant Injection Air Pressure Sensor B Circuit Low Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier –…
P2094 Buick B Camshaft Position (CMP) Actuator Control Circuit Low (Bank 2c)
P2095 Buick B Camshaft Position (CMP) Actuator Control Circuit High (Bank 2c) OBD Code: System: Subsystem: P2095 Buick – (ASE) Powertrain Fuel & Air metering, Auxiliary emission controls Trouble Code Description: B Camshaft Position (CMP) Actuator Control Circuit High (Bank 2c) Location: Analysis: Possible Causes: Bank 2c – Camshaft B End of Range – Circuit Higher…
P2095 Buick B Camshaft Position (CMP) Actuator Control Circuit High (Bank 2c)
P2096 Buick 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 Buick Description The catalyst’s efficiency is demonstrated by its…
P2096 Buick Post Catalyst Fuel Trim System Too Lean
P2097 Buick 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,…
P2092 Buick A Camshaft Position (CMP) Actuator Control Circuit Low (Bank 2b)
P2093 Buick A Camshaft Position (CMP) Actuator Control Circuit High (Bank 2b) OBD Code: System: Subsystem: P2093 Buick – (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…
P2093 Buick A Camshaft Position (CMP) Actuator Control Circuit High (Bank 2b)
P2094 Buick B Camshaft Position (CMP) Actuator Control Circuit Low (Bank 2c) OBD Code: System: Subsystem: P2094 Buick – (ASE) Powertrain Fuel & Air metering, Auxiliary emission controls Trouble Code Description: B Camshaft Position (CMP) Actuator Control Circuit Low (Bank 2c) Location: Analysis: Possible Causes: Bank 2c – Camshaft B End of Range – Circuit Lower…
P2090 Buick B Camshaft Position (CMP) Actuator Control Circuit Low (Bank 1c)
P2091 Buick B Camshaft Position (CMP) Actuator Control Circuit High (Bank 1c) OBD Code: System: Subsystem: P2091 Buick – (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…
P2091 Buick B Camshaft Position (CMP) Actuator Control Circuit High (Bank 1c)
P2092 Buick A Camshaft Position (CMP) Actuator Control Circuit Low (Bank 2b) OBD Code: System: Subsystem: P2092 Buick – (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…
P208C Buick Reductant Pump Control Circuit Low
P208D Buick Reductant Pump Control Circuit High P208D Buick Information for specific makes Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore –…
P208D Buick Reductant Pump Control Circuit High
P208E Buick Reductant Injection Valve Stuck Closed Bank 1 Unit 1 P208E Buick Information for specific makes Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave…
P208E Buick Reductant Injection Valve Stuck Closed Bank 1 Unit 1
P2090 Buick B Camshaft Position (CMP) Actuator Control Circuit Low (Bank 1c) OBD Code: System: Subsystem: P2090 Buick – (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…
P2088 Buick A Camshaft Position (CMP) Actuator Control Circuit Low (Bank 1b)
P2089 Buick A Camshaft Position (CMP) Actuator Control Circuit High (Bank 1b) OBD Code: System: Subsystem: P2089 Buick – (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…
P2089 Buick A Camshaft Position (CMP) Actuator Control Circuit High (Bank 1b)
P208A Buick Reductant Pump Control Circuit/Open P208A Buick Information for specific makes Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick…
P208A Buick Reductant Pump Control Circuit/Open
P208B Buick Reductant Pump Control Range/Performance P208B Buick Information for specific makes Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick…
P208B Buick Reductant Pump Control Range/Performance
P208C Buick Reductant Pump Control Circuit Low P208C Buick Information for specific makes Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore –…
P2085 Buick Exhaust Gas Temperature Sensor Circuit Intermittent (Bank 1 – Sensor 2)
P2086 Buick Exhaust Gas Temperature Sensor Circuit Range / Performance (Bank 2 – Sensor 2) OBD Code: System: Subsystem: P2086 Buick – (ASE) Powertrain Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Exhaust Gas Temperature Sensor Circuit Range / Performance (Bank 2 – Sensor 2) Location: Analysis: Possible Causes: Bank 2 – Sensor 2…