UK & Ireland S2000 Community Discussions related to the S2000, its ownership and enthusiasm for it in the UK and Ireland. Including FAQs, and technical questions.

Missfire on idle

Old 10-19-2015, 04:01 AM
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Default Missfire on idle

Afternoon all.

After having my car remapped and putting a fair few miles on her, safe to say I am loving the extra power!

Only quirk I have, is on idle which is around the 1200rpm mark there is a bit of a misfire, almost like a "Put put" sound, inconsistent like.

I had the exact same sort of misfire on my old Astra turbo which turned out to be the spark plugs.

The plugs I've fitted are no older than 5000 miles, NGK platinum PFR7G-11S plugs that are fitted as standard.

Does anyone have any suggestions? or is the sort of normal quirk when remapped?
Old 10-19-2015, 04:10 AM
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IACV clean and check the plugs
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