VW Code 18661
18661 Description And Summary : |
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This code were stamped on VW Engine case intake flap motor 2 (v275), no signal it can suddenly lead to a significantly more secondary air injection pump-d-relay (j705), circuit short to ground . So for next relay for exhaust cooling agent (n313), open circuit will delay your vw fault. |
18661 Possible Causes:
18661 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Cold Start Injector 1 Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Clutch Position Sensor Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 18661 Code
- Inspect all the connections exhaust bank 4 oxygen sensor before catalyst, heater circuit, regulation at upper limit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns