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i have a 1990 wrangler with th 2.5. did any anybody ever have touble with their ecm. this will be the second time i replace my ecm.

i have a 1990 wrangler with the 2.5 5 speed with a drivability problem. it idles fine, but when you go to pull out it stumbles. i replaced the cap, rotor, plug wire and plugs. i noticed a slight change but still not good. when i pulled the plugs, they had a lot of carbon on them. checked feul...