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Really rough idle!!!

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Old 05-30-2010, 09:16 PM
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Default Really rough idle!!!
hey guys just at the other day my 1999 s type.. started to have a really rough idle at the lights...... so i'm taking it to the mechanics... is there any ideas from anyone what might be the cause of this???? thanks
 
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Old 05-30-2010, 10:04 PM
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Did you notice if the CEL light was flashing, during rough idle.Check for any misfire codes if you have a scanner.Most likely,some coil on plugs going bad.
 
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Old 05-31-2010, 02:24 AM
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More likely still is an air leak, probably the PCV elbow. Search for any of:
idle
rough
elbow
leak
coil

and do some reading
 
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