Possible causes – Drive-by-wire control system malfunction– Throttle actuator malfunction– Throttle valve malfunction– PCM malfunction Tech description Dirty or clogged throttle body can triggered the P0638 code. Before replacing any parts try cleaning the throttle body and reset the engine light. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0638 VOLKSWAGEN OBD…
Tag: VOLKSWAGEN
P0401 VOLKSWAGEN Exhaust Gas Recirculation Flow Insufficient Detected
Possible causes – EGR solenoid valve harness is open or shorted– EGR solenoid valve circuit poor electrical connection– EGR volume control valve stuck closed– Dead (Weak) battery– Faulty EGR temperature sensor and circuit– Faulty EGR Valve– EGR passage clogged– Exhaust gas leaks Tech description EGR flow malfunction could be caused by a clogged EGR valve…
P0284 VOLKSWAGEN Cylinder 8 Contribution Balance
Possible causes – Dirty Fuel Injector 8– Faulty Fuel Injector 8– Plugged Fuel Injector 8– Fuel injector 8 harness is open or shorted– Fuel injector 8 circuit poor electrical connection Tech description Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before replacing the injector. Symptoms – Engine…
P0285 VOLKSWAGEN Cylinder 9 Injector Circuit Low
Possible causes – Dirty Fuel Injector 9– Faulty Fuel Injector 9– Plugged Fuel Injector 9– Fuel injector 9 harness is open or shorted– Fuel injector 9 circuit poor electrical connection Tech description Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before replacing the injector. Symptoms – Engine…
P0286 VOLKSWAGEN Cylinder 9 Injector Circuit High
Possible causes – Dirty Fuel Injector 9– Faulty Fuel Injector 9– Plugged Fuel Injector 9– Fuel injector 9 harness is open or shorted– Fuel injector 9 circuit poor electrical connection Tech description Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before replacing the injector. Symptoms – Engine…
P0287 VOLKSWAGEN Cylinder 9 Contribution Balance
Possible causes – Dirty Fuel Injector 9– Faulty Fuel Injector 9– Plugged Fuel Injector 9– Fuel injector 9 harness is open or shorted– Fuel injector 9 circuit poor electrical connection Tech description Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before replacing the injector. Symptoms – Engine…
P0016 VOLKSWAGEN Crankshaft Position Camshaft Position Correlation Bank 1 Sensor A
Possible causes – Dirty Oil– Engine mechanical problems– Faulty camshaft position sensor– Faulty crankshaft position sensor– Timing belt jumped Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P0017 VOLKSWAGEN Crankshaft Position Camshaft Position Correlation Bank 1 Sensor B
Possible causes – Dirty Oil– Engine mechanical problems– Faulty camshaft position sensor– Faulty crankshaft position sensor– Timing belt jumped Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P0018 VOLKSWAGEN Crankshaft Position Camshaft Position Correlation Bank 2 Sensor A
Possible causes – Dirty Oil– Engine mechanical problems– Faulty camshaft position sensor– Faulty crankshaft position sensor– Timing belt jumped Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P0019 VOLKSWAGEN Crankshaft Position Camshaft Position Correlation Bank 2 Sensor B
Possible causes – Dirty Oil– Engine mechanical problems– Faulty camshaft position sensor– Faulty crankshaft position sensor– Timing belt jumped Symptoms – Engine Light ON (or Service Engine Soon Warning Light)