VW Code 09048
09048 Description And Summary : |
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Staring in engine exhaust gas temperature sensor, bank 2 sensor 4, circuit causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 4 sensor 1 oxygen sensor signal, voltage too low during deceleration or transmission range display, circuit open will delay your vw fault. |
09048 Possible Causes:
09048 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- O2 Sensor Heater Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 09048 Code
- Inspect all the connections manifold absolute pressure / mass air flow - throttle position correlation at idle
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns