Dan try an output test to see if there is a wiring issue to the injector.
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Injector cleaning - is this method OK ???
Wires are one piece. IIRC the injectors all get 12v all the time and the ECU grounds them to trigger.
I had problems with damage to the wires where they exit the loom along the cam cover, the heat makes everything very brittle, also the little pink pin carriers inside the plugs fell apart when I took them out. It's odd that the car ran fine after your cleaning and moving of the plugs then was bad again later after getting hot.
You could also check the ECU connector to make sure there are no pins pushed back.
To appear in the fault code log in vagcom it has to be electrical.Comment
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Cheers for the input guys - Lou, can you remind me how to do an output test?Comment
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Time for a quick update - I think I either had a problem with the plug that connects to the ECU, or the ECU itself.
Wanted to make sure that the problem has resolved before writing up about it. After swapping out the ECU for another one the car has been fine.
Cheers for the all the input, and offers of assistance. This is the bestest forum in the world.
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