P217E Buick Fuel Injector Group H Supply Voltage Circuit Low

P217F Buick Fuel Injector Group H Supply Voltage Circuit High 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 –…

P217F Buick Fuel Injector Group H Supply Voltage Circuit High

P2180 Buick System Too Rich Off Idle (Bank 2) OBD Code: System: Subsystem:  P2180 Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: System Too Rich Off Idle (Bank 2) Location: Analysis: Possible Causes:  Bank 2  Out of Expected Range – Too Rich   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick…

P2179 Buick System Too Lean Off Idle (Bank 2)

P217A Buick Fuel Injector Group G Supply Voltage Circuit/Open 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…

P217A Buick Fuel Injector Group G Supply Voltage Circuit/Open

P217B Buick Fuel Injector Group G Supply Voltage 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 –…

P217B Buick Fuel Injector Group G Supply Voltage Circuit Low

P217C Buick Fuel Injector Group G Supply Voltage Circuit High 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 –…

P2175 Buick Throttle Actuator Control System Low Airflow Detected

P2176 Buick Throttle Actuator Control System Idle Position Not Learned OBD Code: System: Subsystem:  P2176 Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Throttle Actuator Control System Idle Position Not Learned Location: Analysis: Possible Causes:       Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick…

P2176 Buick Throttle Actuator Control System Idle Position Not Learned

P2177 Buick System Too Lean Off Idle (Bank 1) OBD Code: System: Subsystem:  P2177 Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: System Too Lean Off Idle (Bank 1) Location: Analysis: Possible Causes:  Bank 1  Out of Expected Range – Too Lean   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick…

P2177 Buick System Too Lean Off Idle (Bank 1)

P2178 Buick Fuel Trim System Rich at Cruise or Accel Possible causes – High fuel pressure– Leaking fuel injector or pressure regulator– Failed Mass Air Flow (MAF) sensor What about the obd code? The Engine Control Module (ECM) has detected a rich air/fuel ratio Symptoms – Engine Light ON (or Service Engine Soon Warning Light)…

P2178 Buick Fuel Trim System Rich at Cruise or Accel

P2179 Buick System Too Lean Off Idle (Bank 2) OBD Code: System: Subsystem:  P2179 Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: System Too Lean Off Idle (Bank 2) Location: Analysis: Possible Causes:  Bank 2  Out of Expected Range – Too Lean   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick…

P2172 Buick Throttle Actuator Control System Sudden High Airflow Detected

P2173 Buick Throttle Actuator Control System High Airflow Detected OBD Code: System: Subsystem:  P2173 Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Throttle Actuator Control System High Airflow Detected Location: Analysis: Possible Causes:       Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick…

P2173 Buick Throttle Actuator Control System High Airflow Detected

P2174 Buick Low Airflow/Restriction Detected Instantaneous Accumulation Possible causes – Restricted air inlet– Open or short circuit condition– Failed Manifold Absolute Pressure (MAP) sensor– Failed Throttle Position (TP) sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2174 Buick Description The calculated Manifold Absolute Pressure (MAP) value is greater than the expected…

P2174 Buick Low Airflow/Restriction Detected Instantaneous Accumulation

P2175 Buick Throttle Actuator Control System Low Airflow Detected OBD Code: System: Subsystem:  P2175 Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Throttle Actuator Control System Low Airflow Detected Location: Analysis: Possible Causes:       Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick…

P216E Buick Fuel Injector Group F Supply Voltage Circuit Low

P216F Buick Fuel Injector Group F Supply Voltage Circuit High 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 –…

P216F Buick Fuel Injector Group F Supply Voltage Circuit High

P2170 Buick Exhaust Pressure Regulator Vent Solenoid Control Circuit Low OBD Code: System: Subsystem:  P2170 Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Exhaust Pressure Regulator Vent Solenoid Control Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…

P2170 Buick Exhaust Pressure Regulator Vent Solenoid Control Circuit Low

P2171 Buick Exhaust Pressure Regulator Vent Solenoid Control Circuit High OBD Code: System: Subsystem:  P2171 Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Exhaust Pressure Regulator Vent Solenoid Control Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…

P2171 Buick Exhaust Pressure Regulator Vent Solenoid Control Circuit High

P2172 Buick Throttle Actuator Control System Sudden High Airflow Detected OBD Code: System: Subsystem:  P2172 Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Throttle Actuator Control System Sudden High Airflow Detected Location: Analysis: Possible Causes:       Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick…

P216B Buick Fuel Injector Group E Supply Voltage Circuit Low

P216C Buick Fuel Injector Group E Supply Voltage Circuit High 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 –…

P216C Buick Fuel Injector Group E Supply Voltage Circuit High

P216D Buick Fuel Injector Group F Supply Voltage Circuit/Open 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…

P216D Buick Fuel Injector Group F Supply Voltage Circuit/Open

P216E Buick Fuel Injector Group F Supply Voltage 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 –…

P2169 Buick Exhaust Pressure Regulator Vent Solenoid Control Circuit / Open

P216A Buick Fuel Injector Group E Supply Voltage Circuit/Open 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…