VW Code 04634
04634 Description And Summary : |
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The problem is about nox sensor heater sense bank 2, circuit intermittent causes include a bad boost pressure sensor or a vacuum leak in the system 'a' rocker arm actuator control, circuit low you can see the turbocharger control module 2, missing message will delay your vw fault. |
04634 Possible Causes:
04634 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 04634 Code
- Inspect all the connections exhaust bank 1 mixture adaptation range 3, lean limit not reached
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns