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VW Code 18737

18737 Description And Summary :

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

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range