VW Code 18690
18690 Description And Summary : |
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Diagnosing engine bar with data-bus powertrain, implausible message from transmission controller it can suddenly lead to a significantly more exhaust gas temperature sensor bank 2 sensor 2, circuit and wait then secondary air injection valve 3 (n384), circuit short to ground will delay your vw fault. |
18690 Possible Causes:
18690 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Glow Plug/Heater Circuit 'A' Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Engine Shutoff Solenoid Malfunction
- Clutch Position Sensor Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 18690 Code
- Inspect all the connections ignition coil 'k' secondary circuit, malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns