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92 Buick running rough after warming up
Funny thing I have a 92 lesabre that does the same thing. I have had to a shop 3 times, and they can find nothing. I have had the ignition module replaced, coil replaced, computer replaced. Have found that the center coil stops firing when this ocurs, have swiched coils and still the same thing, center coil quits firing. Beginning to think this is a harness problem from computer to ignition module however have no wiring diagram. had this problem last summer and fall and it ran perfectly all winter, however now that is warming up here in South Dakota I get about half hour drive time out of it. frustrating. Any one have any other ideas?
Mark
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