VW Code 02478
02478 Description And Summary : |
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This code were stamped on VW Engine case hydraulic pressure sensor 1, range / performance run rough, or might suddenly stall at any given speed radiator exhaust control 1, short-circuit after pluses you can see the intake manifold tuning (imt) valve position sensor / switch bank 1, circuit range / performance will delay your vw fault. |
02478 Possible Causes:
02478 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Reverse Input Circuit
- Turbocharger Boost Sensor A Circuit Low
- Ambient Air Temperature Sensor Circuit Low
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 02478 Code
- Inspect all the connections o2 sensor pumping current trim bank 2 sensor 1, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns