I have an Audi A4 1.9tdi 1995 that starts up for 2 secounds then cuts out. Tried spare key as R.A.C man told me it was a key problem. Garage has read fault code from E.C.U it says E.C.U blocked but has had no time to look at it as yet any ideas.

Without the fault codes, there realy isn't much I can say. They really are vital to diagnosing your problem. With that said, welcome to the forum!

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2004 VW Touareg
2005.5 Audi A4
1997 Audi A4