So next question - which engine/gearbox combo? (Helps with diagnostics if you add vehicle details).
You also have a gear selector fault as well - which can also cause problems.
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I've got a few dead compressors here, you can have the sensor if you want
To the OP - any update?
That want happend to my d3 a few month back. Ended up being the compressor. It was a worn intake valve on the head of the compressor.
Part was from x8R England 25 pounds
All fixed.https://uploads.tapatalk-cdn.com/202...e54de3752b.jpg