Off idle runs fine and no air leaks, cleaned idle valve and throttle body, also changed throttle body with a good known working one, it can drive fine for 10 miles it then revs up on its own to 2000 rpm and at this point the trip on the dash resets, the mil light has only come on a couple of times, but every time the only fault i get is idle control valve, on a couple of times i also get mixture strength, dont think plugs would cause this, i have also heard that the sagem ECU are bad for giving this problem any help would be great
I never get any fault codes!! only wording with the texa diag,
My next thing to try today is remove and clean all earths on chassis engine
Rgds Steve
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