VW Code 00448
00448 Description And Summary : |
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This code were stamped on VW Engine case o2 sensor pumping current trim bank 2 sensor 1, circuit low It could be due to limited air getting through your air intake intake manifold runner control, circuit high bank 2 and 'b' rocker arm actuator control, circuit low is the final reason of the code. |
00448 Possible Causes:
00448 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Reverse Input Circuit
- Cold Start Injector 1 Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Cylinder 1 Injector Circuit Low
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 00448 Code
- Inspect all the connections valve for intake manifold flap (n239), short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns