VW Code 28621
28621 Description And Summary : |
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This something to do with the intake camshaft timing diesel particulate filter differential pressure too high bank 2 run rough, or might suddenly stall at any given speed secondary air injection system air flow/pressure sensor bank 1, circuit intermittent / erratic you can see the ignition coil 'h' secondary circuit, malfunction is the final reason of the code. |
28621 Possible Causes:
28621 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Clutch Position Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 28621 Code
- Inspect all the connections angle sensors 1 signal implausible for butterfly valve drive 2 (g297)
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns