Category: Buick

P1033 Buick Nitrogen Oxides Sensor Signal Too Low Possible causes – Faulty nitrogen oxides (NOx) sensor– Nitrogen oxides (NOx) sensor harness is open or shorted– Nitrogen oxides (NOx) sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1033 Buick Description Nitrogen oxides (NOx) sensor – signal too low…

P1034 Buick Nitrogen Oxides Sensor Signal Outside Tolerance Possible causes – Faulty nitrogen oxides (NOx) sensor– Nitrogen oxides (NOx) sensor harness is open or shorted– Nitrogen oxides (NOx) sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1034 Buick Description Nitrogen oxides (NOx) sensor – signal outside tolerance…

P1027 Buick Intake Manifold Air Control Solenoid Short To Ground Possible causes – Faulty intake manifold air control solenoid– Intake manifold air control solenoid harness is open or shorted– Intake manifold air control solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera…

P1028 Buick Throttle Body Internal Fault 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 – Buick Enclave…

P1029 Buick Intake Manifold Air Control Valve Position Sensor Upper Limit Not Reached Possible causes – Faulty intake manifold air control solenoid– Intake manifold air control solenoid harness is open or shorted– Intake manifold air control solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal…

P1030 Buick Intake Manifold Air Control Valve Position Sensor Lower Limit Not Reached Possible causes – Faulty intake manifold air control solenoid– Intake manifold air control solenoid harness is open or shorted– Intake manifold air control solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal…

P1026 Buick Intake Manifold Air Control Solenoid Short To Positive Possible causes – Faulty intake manifold air control solenoid– Intake manifold air control solenoid harness is open or shorted– Intake manifold air control solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera…

P1022 Buick MIVEC Performance Problem Bank 2 Possible causes – Failed engine oil pressure switch– Failed engine oil control valve– Open or short circuit 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 –…

P1023 Buick Fuel Pressure Control Valve Short To Ground Possible causes – Faulty fuel pressure control valve– Fuel pressure control valve harness is short to ground– Fuel pressure control valve circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…

P1024 Buick Fuel Pressure Control Valve Open Circuit Possible causes – Faulty fuel pressure control valve– Fuel pressure control valve harness is short to ground– Fuel pressure control valve circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David…

P1025 Buick Fuel Pressure Control Valve Mechanical Malfunction Possible causes – Faulty fuel pressure control valve– Fuel pressure control valve harness is open or shorted– Fuel pressure control valve circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David…

P1018 Buick Intake Manifold Runner Bank 2 Lower Limit Not Reached Possible causes – Faulty Intake Manifold Runner Motor 2– Manifold Runner Motor 2 harness is open or shorted– Manifold Runner Motor 2 circuit poor electrical connection– Faulty Intake Manifold Flap 2 Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick…

P1019 Buick Valvetronic Eccentric Shaft Sensor Power Supply Possible causes – Faulty valvetronic eccentric shaft sensor– Valvetronic eccentric shaft sensor harness is open or shorted– Valvetronic eccentric shaft sensor circuit poor electrical connection– Missing reluctor on valvetronic eccentric shaft sensor What about the obd code? Valvetronic eccentric shaft guiding sensor solenoid loss bank 1 Symptoms…

P1020 Buick Fuel Pressure Control Limit Exceeded Possible causes – Faulty Fuel Pressure Sensor– Fuel Pressure Sensor harness is open or shorted– Fuel Pressure Sensor circuit poor electrical connection– Faulty fuel pressure control valve– Fuel pump high pressure Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera…

P1021 Buick Valve Pause System Stuck On 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 – Buick…

P1014 Buick Exhaust Camshaft Position Actuator Park Position Bank 2 Possible causes – Engine oil level– Dirty engine oil– Faulty camshaft actuator– Blocked camshaft position actuator oil passages Tech description Before replacing any parts, check engine oil level and condition. Replaced engine oil and filter with factory recommend oil weight if necessary. Symptoms – Engine…

P1015 Buick Power Steering Circuit 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 – Buick Enclave…

P1016 Buick Power Steering Circuit Hi 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 – Buick Enclave…

P1017 Buick Valvetronic Eccentric Shaft Sensor Plausibility Possible causes – Faulty valvetronic eccentric shaft sensor– Valvetronic eccentric shaft sensor harness is open or shorted– Valvetronic eccentric shaft sensor circuit poor electrical connection– Missing reluctor on valvetronic eccentric shaft sensor What about the obd code? Valvetronic eccentric shaft guiding sensor solenoid loss bank 1 Symptoms –…

P1011 Buick Fuel Pump Delivery Pressure Too Low Possible causes -Fuel leak-Fuel filter-Transfer pump flow-High pressure fuel pump-Leaking fuel injectors or connectors-Leaking pressure limiting valve-Fuel control actuator-Fuel pressure sensor-Restriction in fuel return lines-Cascade overflow valve-Air in the fuel system. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1011 Buick Description P1011 Buick…