VW Code 09420
09420 Description And Summary : |
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When you open motor for intake manifold flap (v157), no signal causes include a bad boost pressure sensor or a vacuum leak in the system throttle/pedal position sensor 'b', maximum stop performance . On the other hand givers 2 for intake air temperature (g299), signal too small will delay your vw fault. |
09420 Possible Causes:
09420 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Engine Oil Temperature Sensor Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 09420 Code
- Inspect all the connections vehicle speed sensor 'a' / 'b', correlation
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns