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rpms breaking down
hi I'm having troubles with my 91 ford f250 351w, 85000
MY engine is set up to run on duel fuel and my problems are the same either runing autogas or petrol.
so this is what happens,
engine starts fine runs smooth up to 2500rpm light load verything
is ok, above 2500rpm timming starts to retard rapidly, then by
3000rpm time has retarded to 30 degrees after A.T.D.C,
the engine looses power and misses,.
my mechanic has had the computer checked it's fine,
there are no error codes,
what should we look for next as I need my truck for work
my trucks alternator went not long ago when driving home
the power surged up and down till the battery was flat but
I've had that fixed. The only other thing is I have a burnt out
fuel pump in the first tank , but the rear is fine and the problem is the same when switched over to lpg auto gas. just thought I'd
tell you this in case it comes in handy.
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Linear Mode
