VW Code 18538
18538 Description And Summary : |
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This code were stamped on VW Engine case fuel injection valve 1 (n366), open circuit causes include a bad boost pressure sensor or a vacuum leak in the system direct ozone reduction catalyst temperature sensor, circuit low or valve for exhaust flap 1 (n321), short to b+ will delay your vw fault. |
18538 Possible Causes:
18538 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- O2 Sensor Heater Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 18538 Code
- Inspect all the connections vacuum reservoir pressure sensor, circuit intermittent
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns