93 lincoln T.C.- 4.6 -150k - new wires and plugs - developed a loss of
power and miss after it runs for anywhere from 30 minutes to one hour.
clearly a heat related problem. checked fuel system - checked out ok.
miss is not one sided nor an even miss, but misses on both sides, and is
an uneven miss.
will fire on all cylinders until problem shows up. doesn't make any
difference whether in city or on highway. the more you call for power,
the more the engine buckles and jumps like you are turning the key off
and on quickly(that kind of hard jerking)
it will idle as smooth as can be if you are at a stop. can take off
like an old man at stop light.
has no trouble starting engine after it is turned off.
if on highway and going uphill, at the worse symptoms so far, have
started at bottom of hill at 75 and finished at the top of hill at 49
when symptoms appear, have trouble holding highway speed and slowly
decreases in speed.
symptoms started to appear over 700 miles ago and are getting worse.
if you stop and kill the engine and let it sit for 5 to 10 minutes.
problem will go away. symptom will show up after about 10 to 15 minutes
on highway again.
symptom - starts loosing power slowly, but symptom gets worse the more
you drive. haven't had a complete failure where engine stalls and quits
haven't put it on machine to get codes yet either.
just curious - i know on the 5.0, they had problems with the film on the
distributor causing problems about cutting off on the ignition. since
this does not have a distributor, i was thinking that i might have
missed something that is routine that breaks down in the electrical
system. a certain module or something.
thanks for any help or shedding any light on where to take it.
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