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radman
07-08-2008, 12:49 PM
i sold this 1990 f-250 to a friends son (not recomended) now he has put a small camper on and it sounds like a valve ping while accelerating, intermitant and i think only 1 cyl. and it lacks power. I know the intake is leaking antifreeze, could it be leaking air too? and would that cause this problem? i am going to replace the intake gasket, plugs and fuel filter. has anyone experienced the same problem, it only has 140,000 km, so i cant see it being too serious.[cheers]

C.W.
07-08-2008, 03:43 PM
My 91 does it intermittantly as well, i haven't figured mine out yet though.

In The Zone
07-08-2008, 11:40 PM
doh...........