I agree with the ignition module, because that seems to be pretty common... I still have my original one though after 165,000 miles.
My car did the exact same thing though and i could never figure it out till i switched to mass air.... The computer itself was bad!!! Bummer, huh?
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Joe!
1988 GT, 167,000 miles!!! 13.71@105mph Check out my listing!
Click here! Or my website:
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1999 Ninja ZX-6R 10.32@135mph!
1993 Olds Eighty Eight LSS