VW Code 18688
18688 Description And Summary : |
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Diameter in engine exhaust bank 4, sensor 2 heater circuit, short-circuit after pluses it can suddenly lead to a significantly more engine oil temperature sensor (g8), circuit range / performance and wait then pressure control solenoid 2 (n216), electrical malfunction is the final reason of the code. |
18688 Possible Causes:
18688 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Reverse Input Circuit
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Injector Circuit Malfunction - Cylinders
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 18688 Code
- Inspect all the connections oxygen (lambda) sensor b2 s2, signal shorted to heater circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns