Possible causes – Three way catalyst converter Bank 1– Exhaust tube– Intake air leaks– Fuel injectors may be faulty– Fuel injector leaks– Spark plugs may be faulty– Improper ignition timing– Engine Control Module (ECM) Tech description As the code description implies the P0421 code means that the vehicle’s control module has detected that the three-way…
Tag: VOLKSWAGEN
P0430 VOLKSWAGEN Catalyst System Efficiency Below Threshold Bank 2
Possible causes – Three way catalyst converter Bank 2– Exhaust tube– Intake air leaks– Fuel injectors may be faulty– Fuel injector leaks– Spark plugs may be faulty– Improper ignition timing– Engine Control Module (ECM) Tech description As the code description implies the P0430 code means that the vehicle’s control module has detected that the three-way…
P0221 VOLKSWAGEN Throttle Pedal Position Sensor/Switch B Circuit
Possible causes – Throttle Position Sensor (TPS) harness is open or shorted– Throttle Position Sensor (TPS) circuit poor electrical connection– Faulty Throttle Position Sensor (TPS)– Fault Electric Throttle Control Actuator (or Throttle Body Motor)– Accelerator Pedal Position Sensor (APP) When is the obd code mean? An unexpected voltage from the Throttle Position Sensor (TPS) is…
P0510 VOLKSWAGEN Closed Throttle Position Switch
Possible causes – Throttle Position Switch (TPS) Adjustment– Faulty Throttle Position Switch (TPS)– Throttle Position Switch (TPS) harness open or shorted– Throttle Position Switch (TPS) circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Engine idle problems– Possible hard to start– Possible shifting problems
P1047 VOLKSWAGEN Bank 1 Camshaft Adjustment Valve 1 Electrical Malfunction
Possible causes – Timing belt installation– Faulty Camshaft Adjustment Valve 1– Camshaft Adjustment Valve 1 harness is open or shorted– Camshaft Adjustment Valve 1 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P0440 VOLKSWAGEN EVAP Canister Purge Regulator Valve
Possible causes – Missing or loose fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap– EVAP canister or fuel tank leaks– EVAP system hose leaking– Fuel tank leaking Tech description The P0440 code means that the control module has detected a…
P0442 VOLKSWAGEN EVAP System Small Leak Detected
Possible causes – Missing or loose fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap– EVAP canister or fuel tank leaks– EVAP system hose leaking– Fuel tank leaking Tech description The P0442 code means that the control module has detected a…
P0455 VOLKSWAGEN EVAP System Large Leak Detected
Possible causes – Missing or loose fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap– EVAP canister or fuel tank leaks– EVAP system hose leaking– Fuel tank leaking Tech description The P0455 it
P0456 VOLKSWAGEN EVAP System Very Small Leak Detected
Possible causes – Missing or loose fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap– Evaporative Emission (EVAP) canister or fuel tank leaks– Evaporative Emission (EVAP) system hose leaking– Fuel tank leaking When is the obd code mean? Evaporative Emission (EVAP)…
P1171 VOLKSWAGEN Throttle Actuation Potentiometer Signal 2 Range/Performance
Possible causes – Open or short circuit condition– Faulty Throttle Position Sensor (TPS)– Faulty Throttle Drive electric motor– Faulty Throttle Valve Control Module Symptoms – Engine Light ON (or Service Engine Soon Warning Light)