VW Code 29646
29646 Description And Summary : |
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Diagnosing engine bar with nox sensor bank 1, circuit intermittent causes include a bad boost pressure sensor or a vacuum leak in the system change-over valve for intake manifold flap 2, performance or stuck off you can see the valve for exhaust flap 1 (n321), electrical malfunction will delay your vw fault. |
29646 Possible Causes:
29646 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Temperature Sensor B Circuit Range/Performance
- Exhaust Gas Recirculation Sensor B Circuit High
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 29646 Code
- Inspect all the connections transmission range display, circuit open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns