P0263 Buick Cylinder 1 Contribution Balance Possible causes – Dirty Fuel Injector 1– Faulty Fuel Injector 1– Plugged Fuel Injector 1– Fuel injector 1 harness is open or shorted– Fuel injector 1 circuit poor electrical connection Tech description Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before…
Category: Buick
P0263 Buick Cylinder 1 Contribution Balance
P0264 Buick Cylinder 2 Injector Circuit Low Possible causes – Dirty Fuel Injector 2– Faulty Fuel Injector 2– Plugged Fuel Injector 2– Fuel injector 2 harness is open or shorted– Fuel injector 2 circuit poor electrical connection Tech description Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush…
P0258 Buick Injection Pump Fuel Metering Control B Low
P0259 Buick Injection Pump Fuel Metering Control B High (Camshaft / Rotor / Injector) OBD Code: System: Subsystem: P0259 Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Injection Pump Fuel Metering Control B High (Camshaft / Rotor / Injector) Location: Analysis: Possible Causes: Control B Tech description: Buick Vehicle:Buick Regal –…
P0259 Buick Injection Pump Fuel Metering Control B High (Camshaft / Rotor / Injector)
P025A Buick Fuel Pump Module Control Circuit / Open OBD Code: System: Subsystem: P025A Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Fuel Pump Module Control Circuit / Open Location: Analysis: Possible Causes: Open Circuit Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick –…
P025A Buick Fuel Pump Module Control Circuit / Open
P025B Buick Fuel Pump Module Control Circuit Range / Performance OBD Code: System: Subsystem: P025B Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Fuel Pump Module Control Circuit Range / Performance Location: Analysis: Possible Causes: Out of Expected Range Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…
P025B Buick Fuel Pump Module Control Circuit Range / Performance
P025C Buick Fuel Pump Module Control Circuit Low OBD Code: System: Subsystem: P025C Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Fuel Pump Module Control Circuit Low Location: Analysis: Possible Causes: End of Range – Circuit Lower Than Expected Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…
P025C Buick Fuel Pump Module Control Circuit Low
P025D Buick Fuel Pump Module Control Circuit High OBD Code: System: Subsystem: P025D Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Fuel Pump Module Control Circuit High Location: Analysis: Possible Causes: End of Range – Circuit Higher Than Expected Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…
P0253 Buick Fuel Quantity Solenoid Circuit Short To Ground
P0254 Buick Fuel Quantity Solenoid Short Circuit Possible causes – Faulty Fuel Quantity Solenoid– Fuel Quantity Solenoid harness is open or shorted– Fuel Quantity Solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick…
P0254 Buick Fuel Quantity Solenoid Short Circuit
P0255 Buick Injection Pump Fuel Metering Control A Intermittent (Camshaft / Rotor / Injector) OBD Code: System: Subsystem: P0255 Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Injection Pump Fuel Metering Control A Intermittent (Camshaft / Rotor / Injector) Location: Analysis: Possible Causes: Control A Sporatic Operation Tech description: Buick Vehicle:Buick Regal…
P0255 Buick Injection Pump Fuel Metering Control A Intermittent (Camshaft / Rotor / Injector)
P0256 Buick Injection Pump Fuel Metering Control B (Camshaft / Rotor / Injector) OBD Code: System: Subsystem: P0256 Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Injection Pump Fuel Metering Control B (Camshaft / Rotor / Injector) Location: Analysis: Possible Causes: Control B Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…
P0256 Buick Injection Pump Fuel Metering Control B (Camshaft / Rotor / Injector)
P0257 Buick Injection Pump Fuel Metering Control B Range / Performance (Camshaft / Rotor / Injector) OBD Code: System: Subsystem: P0257 Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Injection Pump Fuel Metering Control B Range / Performance (Camshaft / Rotor / Injector) Location: Analysis: Possible Causes: Control B Out of Expected Range…
P0257 Buick Injection Pump Fuel Metering Control B Range / Performance (Camshaft / Rotor / Injector)
P0258 Buick Injection Pump Fuel Metering Control B Low Symptoms – Engine Light ON (or Service Engine Soon Warning Light) 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…
P024E Buick Charge Air Cooler Bypass Position (Sensor A) Circuit Low
P024F Buick Charge Air Cooler Bypass Position (Sensor A) Circuit High OBD Code: System: Subsystem: P024F Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Charge Air Cooler Bypass Position (Sensor A) Circuit High Location: Analysis: Possible Causes: Sensor A End of Range – Circuit Higher Than Expected Tech description: Buick Vehicle:Buick Regal…
P024F Buick Charge Air Cooler Bypass Position (Sensor A) Circuit High
P0250 Buick Turbo/Super Charger Wastegate Solenoid B High Possible causes – Faulty wastegate solenoid– Wastegate solenoid harness is open or shorted– Wastegate solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0250 Buick Description The ECM has detected a signal outside parameters on the wastegate solenoid circuit Buick…
P0250 Buick Turbo/Super Charger Wastegate Solenoid B High
P0251 Buick Injector Pump Fuel Metering Control A Possible causes – Check Quantity Adjuster– Check Modulator Piston Displacement Sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne…
P0251 Buick Injector Pump Fuel Metering Control A
P0252 Buick Injector Pump Fuel Metering Control A Possible causes – Check Quantity Adjuster– Check Modulator Piston Displacement Sensor– Check Cold Start Injector– Check Needle Lift Sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century –…
P0252 Buick Injector Pump Fuel Metering Control A
P0253 Buick Fuel Quantity Solenoid Circuit Short To Ground Possible causes – Faulty Fuel Quantity Solenoid– Fuel Quantity Solenoid harness is open or shorted– Fuel Quantity Solenoid circuit poor electrical connection What about the obd code? The Engine Control Module (ECM) has detected a short to ground condition on the Fuel Quantity Solenoid circuit Symptoms…
P024A Buick Charge Air Cooler Bypass Control A Range / Performance
P024B Buick Charge Air Cooler Bypass Control A Stuck OBD Code: System: Subsystem: P024B Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Charge Air Cooler Bypass Control A Stuck Location: Analysis: Possible Causes: Stuck Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick…
P024B Buick Charge Air Cooler Bypass Control A Stuck
P024C Buick Charge Air Cooler Bypass Position (Sensor A) Circuit Malfunction OBD Code: System: Subsystem: P024C Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Charge Air Cooler Bypass Position (Sensor A) Circuit Malfunction Location: Analysis: Possible Causes: Sensor A Circuit Malfunction Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse…
P024C Buick Charge Air Cooler Bypass Position (Sensor A) Circuit Malfunction
P024D Buick Charge Air Cooler Bypass Position (Sensor A) Circuit Range / Performance OBD Code: System: Subsystem: P024D Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Charge Air Cooler Bypass Position (Sensor A) Circuit Range / Performance Location: Analysis: Possible Causes: Sensor A Out of Expected Range Tech description: Buick Vehicle:Buick Regal…