Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech description If the P0171 is combined with the P0174 code, it’s very likely that the problem…
Tag: VOLKSWAGEN
P0491 VOLKSWAGEN Secondary Air Injection System Insufficient Flow Bank 1
Possible causes – Intake leak– Damaged AIR system components– Faulty AIR Solenoid Valve– Faulty AIR system relay Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P0040 VOLKSWAGEN HO2S Bank 1 and 2 Sensor 1 Signal Wires Swapped
Possible causes – HO2S Bank 1 and 2 Sensor 1 harness is open or shorted– HO2S Bank 1 and 2 Sensor 1 circuit connectors (wrong connection)– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0040 VOLKSWAGEN OBD Code Description The heated oxygen sensor (HO2S) monitor determines if…
P0249 VOLKSWAGEN Turbo/Super Charger Wastegate Solenoid B Low
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) P0249 VOLKSWAGEN OBD Code Description The ECM has detected a signal outside parameters on the wastegate solenoid circuit
P0250 VOLKSWAGEN 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 VOLKSWAGEN OBD Code Description The ECM has detected a signal outside parameters on the wastegate solenoid circuit
P0216 VOLKSWAGEN Injector Timing Control Circuit
Possible causes – Fuel Injection Pump Gear Alignment– Fuel Filter Restriction– Transfer Pump Inlet Restriction– Faulty Fuel Injection Pump Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0216 VOLKSWAGEN OBD Code Description The Engine Control Module (ECM) monitors the Fuel Injection Pump operation with the ignition ON. The P0216 code is set…
P0200 VOLKSWAGEN Injector Circuit Open
Possible causes – Fuel Injector harness is open or shorted– Fuel injector circuit poor electrical connection– Faulty fuel injector– Faulty Engine Control Module (ECM) When is the obd code mean? The P0200 is set if the Engine Control Module (ECM) is detects a low or high voltage drop or resistance at the injectors. Symptoms –…
P0088 VOLKSWAGEN Fuel Rail/System Pressure Too High
Possible causes – Fuel line restricted– Faulty fuel pressure regulator– Faulty fuel pressure sensor When is the obd code mean? The Engine Control Module (ECM) has determined that the fuel rail pressure is too high for a specific engine RPM Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P1278 VOLKSWAGEN Fuel Metering Solenoid Short To Positive
Possible causes – Fuel metering solenoid harness is open or shorted – Fuel metering solenoid electrical circuit poor connection – Faulty fuel metering solenoid Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P0052 VOLKSWAGEN HO2S Heater Control Circuit High Bank 2 Sensor 1
Possible causes – Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 harness is open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 circuit poor electrical connection– Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 circuit fuse– Faulty Engine Control Module (ECM) When is…