You need to check the codes. Whateveris going on there will be a code stored in memory (what ever was setting the check eng light off), that's your starting point for trouble shooting.
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99 4x4 w/ 4.0l and 5 speed (daily driver), 89 Mustang LX 5.0 (play-toy/expirement in progress LOL), 03 Focus ZX3 (wife's car)
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