S2000 Under The Hood S2000 Technical and Mechanical discussions.

Studder at start up?

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Old 02-27-2014, 05:06 PM
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Default Studder at start up?

My car stalls and studders on first startup of the day or after sitting a few hrs. Lights cut out for a second or two. What could it be?

It's a 2005 w/ 52k mi. It started doing it within a few months of purchasing it(about 2 yrs ago) but it was very mild and only when it was cold outside. Lately it's been doing it regularly and it's a very loud grinding noise. Engine still performs as always and I haven't noticed any other differences. I'm guessing it's the spark plugs( I haven't changed them out). Oil is recently changed and within normal levels. It has been sitting over the winter and started up every few weeks(for about 3 months).
Old 02-27-2014, 06:09 PM
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just curious, but what would make you think its the spark plugs?...sounds like a combination of an IAC issue and cold weather
Old 02-28-2014, 05:23 AM
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I read somewhere to change the plugs. Is this issue something to be concerned about?
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