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97 EX Civic
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Discussion Starter · #1 ·
I have a 97 civic EX with a d16y8. I recently just swapped my auto trans. and went with the s20 5 speed trans. and I have not changed the ecu as yet and it runs fine but the check engine light is on...
Now I put in my friends obdII computer and I got an erregular idle but it ran better. Idle was between 850 - 1500. his computer was out of a 97 civic EX
What can be the problem
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