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rough start / miss fire when warm

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Old 10-15-06, 01:02 AM
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rough start / miss fire when warm

I've tried searching the forum for anyone with a similar prob and came up empty. Here's the deal... my FD began to have a rough idle when starting. i installed new NGK sparkplugs and magnacore wires and it seemed to disappear after the first run. gradually it began to have the same problem and now I notice that it usually starts fine when the motor is cold but returns to rough idle at start after engine is warm. Also I noticed that it runs good after idle smooths out but engine seems to miss in diff spots of the rpm range once it's warm.

I can drive it without probs if I don't accelerate fast. I'm guessing that I might need new coil packs or something else dealing with the ignition system. i'm out of ideas and about ready to take it to a mechanic.

Any ideas before I fork over cash to an expert?
Old 10-18-06, 10:19 PM
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Any thoughts on my probs? I spoke with a friend/mechanic and he seems to think it's my EGR valve getting stuck.
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