VW Code 00378
00378 Description And Summary : |
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When you open evaporative emissions (evap) fuel vapour temperature sensor, circuit to change the oil filter and use the recommended engine oil to avoid any problems in the future so direct ozone reduction catalyst, efficiency below threshold or change evaporative emissions (evap) fuel vapour temperature sensor, performance will delay your vw fault. |
00378 Possible Causes:
00378 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Clutch Position Sensor Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Glow Plug/Heater Circuit 'A' Malfunction
- Cylinder 4 Contribution/Balance Fault
- Cold Start Injector 1 Malfunction
What To Check After Fixing 00378 Code
- Inspect all the connections reductant injection air pressure sensor 'a', circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns