varesecrazy said:

Ive no idea who has been looking at it.. or what diagnostic methods they have employed



1000 rpm whilst not running.



Does this mean it will idle.. but not rrv?

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varesecrazy said:

The non starting is the clue.



So.. it cranks reliably..and has good fuel rail pressure.



You are missing a fundamental.



Again I will ask : what have they used to diagnose this?

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irc said:

Just re-read your previous thread....
Just to get it clearer, it ran OK, and then started the strange behaviour.
Garage checked it, took ECU off, etc., refitted it and it was OK again.
Now it has started playing up again.

If that's right then it's possible that there may be a bad connection somewhere in whatever was disturbed at the garage, which improved temporarily after being touched, and has gone bad again.

Try using some contact cleaner on the ECU, MAF and other connectors.
Check the main and ECU Earth cables.
Had something similar to this after some really bad weather last year. Turned out to be a combination of loose MAF connector and knackered earth cable.

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