Guest s6boy1979 Posted May 2, 2010 Share Posted May 2, 2010 My 1990 efi is missing slightly through out the rev range but is more noticable at idle. I have replaced the plugs, leads, air filter, fuel filter, MAP sensor, ICV and the timing belt so no the timing it spot on. So now i'm a little stuck to what it could be. Any ideas would be great, also is it worth using some injection cleaner to see if that helps? Quote Link to comment Share on other sites More sharing options...
Guest mossop1 Posted May 2, 2010 Share Posted May 2, 2010 I would be thinking give it a compresion check just to rule out compresion prob Quote Link to comment Share on other sites More sharing options...
Guest s6boy1979 Posted May 2, 2010 Share Posted May 2, 2010 Cool i will give that a go Quote Link to comment Share on other sites More sharing options...
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