P0091 Buick Fuel Pressure Regulator Solenoid 1 Control Circit Low Voltage Possible causes – Faulty fuel pressure regulator– Fuel pressure regulator harness is open or shorted– Fuel pressure regulator electrical circuit poor connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David…
Category: Buick
P0085 Buick Exhaust Valve Control Solenoid Circuit Low Bank 2
P0086 Buick Exhaust Valve Control Solenoid Circuit High Bank 2 Possible causes – Faulty Exhaust Valve Control Solenoid– Exhaust Valve Control Solenoid harness is open or shorted– Exhaust Valve Control Solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse…
P0086 Buick Exhaust Valve Control Solenoid Circuit High Bank 2
P0087 Buick Fuel Rail System Pressure Too Low Possible causes – Faulty fuel pump– Blocked fuel filter– Faulty fuel pressure sensor– Fuel pressure sensor harness is open or shorted– Fuel pressure sensor electrical circuit poor connection– Faulty Fuel injector What about the obd code? The Engine Control Module (ECM) has determined that the fuel rail…
P0087 Buick Fuel Rail System Pressure Too Low
P0088 Buick Fuel Rail System Pressure Too High Possible causes – Faulty fuel pump– Blocked fuel filter– Faulty fuel pressure sensor– Fuel pressure sensor harness is open or shorted– Fuel pressure sensor electrical circuit poor connection– Faulty Fuel injector What about the obd code? The Engine Control Module (ECM) has determined that the fuel rail…
P0080 Buick Exhaust Valve Control Solenoid Circuit High
P0081 Buick Intake Valve Control Solenoid Circuit Bank 2 Possible causes – Faulty Intake Valve Control Solenoid Valve– Intake Valve Control Solenoid Circuit harness is open or shorted– Intake Valve Control Solenoid Circuit circuit poor electrical connection What about the obd code? An improper voltage is sent to the Engine Control Module (ECM) through intake…
P0081 Buick Intake Valve Control Solenoid Circuit Bank 2
P0082 Buick Intake Valve Control Solenoid Circuit Low Bank 2 Possible causes – Faulty Intake Valve Control Solenoid Valve– Intake Valve Control Solenoid Circuit harness is open or shorted– Intake Valve Control Solenoid Circuit circuit poor electrical connection What about the obd code? An improper voltage is sent to the Engine Control Module (ECM) through…
P0082 Buick Intake Valve Control Solenoid Circuit Low Bank 2
P0083 Buick Intake Valve Control Solenoid Circuit High Bank 2 Possible causes – Faulty Intake Valve Control Solenoid Valve– Intake Valve Control Solenoid Circuit harness is open or shorted– Intake Valve Control Solenoid Circuit circuit poor electrical connection What about the obd code? An improper voltage is sent to the Engine Control Module (ECM) through…
P0083 Buick Intake Valve Control Solenoid Circuit High Bank 2
P0084 Buick Exhaust Valve Timing Control Magnet Retarder Circuit Bank 2 Possible causes – Faulty Exhaust Valve Timing Control Magnet Retarder– Exhaust Valve Timing Control Magnet Retarder harness is open or shorted– Exhaust Valve Timing Control Magnet Retarder poor electrical circuit connector What about the obd code? An improper voltage is sent to the Engine…
P0084 Buick Exhaust Valve Timing Control Magnet Retarder Circuit Bank 2
P0085 Buick Exhaust Valve Control Solenoid Circuit Low Bank 2 Possible causes – Faulty Exhaust Valve Control Solenoid– Exhaust Valve Control Solenoid harness is open or shorted– Exhaust Valve Control Solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse…
P0075 Buick Intake Valve Control Solenoid Circuit Bank 1
P0076 Buick Intake Valve Control Solenoid Circuit Low Bank 1 Possible causes – Faulty Intake Valve Control Solenoid Bank 1– Intake Valve Control Solenoid Circuit Bank 1 harness is open or shorted– Intake Valve Control Solenoid Circuit Bank 1 circuit poor electrical connection What about the obd code? An improper voltage is sent to the…
P0076 Buick Intake Valve Control Solenoid Circuit Low Bank 1
P0077 Buick Intake Valve Control Solenoid Circuit High Bank 1 Possible causes – Faulty Intake Valve Control Solenoid Bank 1– Intake Valve Control Solenoid Circuit Bank 1 harness is open or shorted– Intake Valve Control Solenoid Circuit Bank 1 circuit poor electrical connection What about the obd code? An improper voltage is sent to the…
P0077 Buick Intake Valve Control Solenoid Circuit High Bank 1
P0078 Buick Exhaust Valve Timing Control Magnet Retarder Circuit Bank 1 Possible causes – Faulty Exhaust Valve Timing Control Magnet Retarder– Exhaust Valve Timing Control Magnet Retarder harness is open or shorted– Exhaust Valve Timing Control Magnet Retarder circuit poor electrical circuit connector What about the obd code? An improper voltage is sent to the…
P0078 Buick Exhaust Valve Timing Control Magnet Retarder Circuit Bank 1
P0079 Buick Exhaust Valve Control Solenoid Circuit Low Bank 1 Possible causes – Faulty Exhaust Valve Control Solenoid– Exhaust Valve Control Solenoid Circuit harness is open or shorted– Exhaust Valve Control Solenoid Circuit circuit poor electrical circuit connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera…
P0079 Buick Exhaust Valve Control Solenoid Circuit Low Bank 1
P0080 Buick Exhaust Valve Control Solenoid Circuit High Possible causes – Faulty Exhaust Valve Control Solenoid– Exhaust Valve Control Solenoid harness is open or shorted– Exhaust Valve Control Solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David…
P0072 Buick Ambient Air Temperature Sensor Circuit Low
P0073 Buick Ambient Air Temperature Sensor Circuit High Input Possible causes – Faulty ambient air temperature sensor– Ambient air temperature sensor harness is open or shorted– Ambient air temperature sensor circuit poor electrical connection What about the obd code? The Engine Control Module (ECM) has detected an open or short circuit condition on the Ambient…
P0073 Buick Ambient Air Temperature Sensor Circuit High Input
P0074 Buick Ambient Air Temperature Sensor Circuit Intermittent Possible causes – Faulty ambient air temperature sensor– Ambient air temperature sensor harness is open or shorted– Ambient air temperature sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David…
P0074 Buick Ambient Air Temperature Sensor Circuit Intermittent
P0075 Buick Intake Valve Control Solenoid Circuit Bank 1 Possible causes – Faulty Intake Valve Control Solenoid Bank 1– Intake Valve Control Solenoid Circuit Bank 1 harness is open or shorted– Intake Valve Control Solenoid Circuit Bank 1 circuit poor electrical connection What about the obd code? An improper voltage is sent to the Engine…
P0070 Buick Ambient Air Temperature Sensor Circuit
P0071 Buick Ambient Air Temperature Sensor Circuit Range/Performance Fault Possible causes – Faulty ambient air temperature sensor– Ambient air temperature sensor harness is open or shorted– Ambient air temperature sensor circuit poor electrical connection What about the obd code? The Engine Control Module (ECM) has detected an open or short circuit condition on the Ambient…
P0071 Buick Ambient Air Temperature Sensor Circuit Range/Performance Fault
P0072 Buick Ambient Air Temperature Sensor Circuit Low Possible causes – Faulty ambient air temperature sensor– Ambient air temperature sensor harness is open or shorted– Ambient air temperature sensor circuit poor electrical connection What about the obd code? Ambient temperature sensor input voltage is below the minimum acceptable value. Symptoms – Engine Light ON (or…
P0069 Buick Manifold Absolute Pressure/Barometric Pressure Correlation
P006A Buick Manifold Absolute Pressure (MAP) Mass or Volume Air Flow Correlation OBD Code: System: Subsystem: P006A Buick – (ASE) Powertrain Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Manifold Absolute Pressure (MAP) Mass or Volume Air Flow Correlation Location: Analysis: Possible Causes: Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…