VW Code 02722
02722 Description And Summary : |
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The problem is about reductant injection valve bank 2 unit 1, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 2 mixture adaptation range 3, rich limit exceeded also exhaust gas recirculation cooling valve control, circuit / open will delay your vw fault. |
02722 Possible Causes:
02722 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 02722 Code
- Inspect all the connections pre-catalyst exhaust bank 3 effect too small
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns