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engine misses bad under acceleration after 4 or 5 miles


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mikeeepgh
New User

Dec 22, 2007, 5:50 PM

Post #1 of 2 (1172 views)
engine misses bad under acceleration after 4 or 5 miles Sign In

94 buick roadmaster 5.7 . no codes. if i unplug pcm after warmup and reconnect it the car willrun fine again for about 1/2 mile then same problem.


Double J
Veteran / Moderator
Double J profile image

Dec 26, 2007, 12:56 PM

Post #2 of 2 (1161 views)
Re: engine misses bad under acceleration after 4 or 5 miles Sign In

does this engine have opti-spark????
just some thoughts.....seen these have coil problems,coil wire problems,spark plug wire problems...
and ....the distributor is behind the water/coolant pump....coolant can leak into distributor....Wink






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