I have an Audi 80 TDi estate on about 250K in good all round condition, 650 miles on a full tank. The following symptoms apply;

1. Engine over revs when changing up a gear, followed by a drop in revs for a moment in the new gear. Or to put it another way, on changing up you lift off the accelerator for a moment as the clutch goes in, but instead of the revs dropping, they surge, followed by a drop of revs as the clutch is let out. This happens pretty much all the time but there are good days and bad days.

2. The electric windows work intermittently: I changed the relay when they stopped working altogether, this cured things for a while but now its intermittent again.

3. Sometimes the indicators stop working. Sometimes I can cure this by switching off the engine, counting to 20 and starting up again. Other days they'll just work again when the mood takes them.

4. Triggered, I think, by a hot day with the car parked with all windows closed almost everything can stop working; windows, sunroof, indicators, guages, etc. A few days ago the car would start and the hazards worked, but that was it. All self fixing after a while !

As I cannot afford fancy diagnostics I would very much appreciate replies from anyone with similar experiences.

Regards to all