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rough idle

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Old 11-06-2009, 05:32 PM
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rough idle
Hey guys, my 98 SE is idling rough, whether in gear or in park. It seems to drive smoothly. The car is stock except for a budget y-pipe installed 3 years ago. Currently 164,000 miles and well maintained. ECU codes checked and were clean.

spark plugs were done about 40k ago, and oil and all filters changed regularly. Is there a way it could possibly be a vacuum leak? Thanks for your input in advance, its appreciated.
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Old 11-06-2009, 05:41 PM
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could def. be a vacuum leak in the intake.

Where are you in MA?
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Old 11-06-2009, 06:11 PM
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Bad coils maybe?
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Old 11-06-2009, 07:54 PM
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Did your rough idle just start happening?? Or has this been going on for a while now?
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Could we add this question to the stickies please




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