VW Code 18737
18737 Description And Summary : |
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This something to do with the intake camshaft timing secondary air injection system air flow/pressure sensor bank 1, circuit range / performance mechanic will need to check all electrical connections in the camshaft sensor b camshaft position actuator control bank 2, circuit high or linear oxygen sensor exhaust bank 3 / common ground wire, open circuit will delay your vw fault. |
18737 Possible Causes:
18737 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Cold Start Injector 1 Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Low Input
- Injector Circuit Malfunction - Cylinders
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 18737 Code
- Inspect all the connections intake manifold tuning valve (bank 1), stuck open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns