Category: Buick

P1009 Buick Variable Valve Timing Control Advance Malfunction Possible causes – Engine oil level– Dirty engine oil– Check VTC Strainer for blockage– Faulty VTC Oil Control Solenoid or circuit– Faulty VTC Actuator– Engine mechanical problems Tech description An stretched timing chain or damaged tensioner can also caused triggered the P1009 Buick code. Before replacing timing…

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…

P1012 Buick Exhaust Camshaft Position Actuator Park Position Bank 1 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…

P1005 Buick Manifold Tunning Valve Control Performance Possible causes – Manifold tunning valve harness open or shorted– Manifold tunning valve circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1005 Buick Description This Powertrain Control Module (PCM) compares the circuit feedback to a calibrated closed range when when the…

P1006 Buick Valvetronic Eccentric Shaft Sensor Guide 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 –…

P1007 Buick Ignition 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 –…

P1008 Buick Throttle System Warning Signal 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…

P1001 Buick Evaporative Emission Canister Purge Valve Low Output Possible causes – Faulty EVAP canister purge valve– EVAP canister purge valve harness circuit open or shorted– EVAP canister purge valve electrical connection What about the obd code? The P1001 Buick code is triggered when the ECM has detected an open circuit or short to ground…

P1002 Buick Evaporative Emission Canister Purge Valve High Output Possible causes – Faulty EVAP canister purge valve– EVAP canister purge valve harness circuit open or shorted– EVAP canister purge valve electrical connection What about the obd code? The P1002 Buick code is triggered when the ECM has detected an open circuit or short to ground…

P1004 Buick Short Runner Valve Control Performance Possible causes – Faulty short runner valve assembly– Short runner valve harness is open or shorted– Short runner valve circuit poor electrical connection– Faulty Powertrain Control Module (PCM) What about the obd code? The P1004 Buick code is detected when the value is determined to be out of…