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.

Misfire / Cutting out

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Old 10-09-2009, 03:31 AM
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Default Misfire / Cutting out

Firstly, I HAVE READ THE FAQ's but it doesn't specifically mention cutting out on the relevant section.......

My car cut out several times this morning while idling and the tick over rpm wasn't stable. It was the first time I'd driven the car since it had a level 1 service on Monday, apart from the drive home from the garage (40 miles).

There was a bit of hessitation / misfire when cruising at about 50mph in 6th, but otherwise it drove fine - good acceleration etc.

I'll work through the suggestions on the FAQ, but is there anything that jumps out at people as the obvious thing to check first?

Any help gratefully received, as ever.........
Old 10-09-2009, 03:36 AM
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Does it cut out from cold when you start it, and when warm when you pull up to a stop?
Old 10-09-2009, 03:40 AM
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How is the VTEC engaging?

A few sensors can cause this.. maybe better to see if there are any codes to pull right?
Old 10-09-2009, 05:44 AM
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V-Tec is fine. Engine was warm and cut out as I coasted to a stop........
Old 10-09-2009, 08:16 AM
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Battery holding charge fine? (Just in case it can also be a co-incidence)

Did you check any of the obvious sensors in the engine bay for loose connections?
Old 10-09-2009, 11:37 AM
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Battery seems fine - plenty of juice to start the car.

I had a quick nose around under the bonnet but I'll have a proper look tomorrow.
Old 10-09-2009, 10:50 PM
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if its stalling when you lift off it could be the idle control valve, its bolted to the side of the inlet manifold with 2 M6 bolts, disconnect the plug and remove the bolts then twist the metal part so the insides are facing up and spray a good dose of WD 40 in it then go and have a brew. clean it up and put it back together.

This is only for stalling it wont do jack for miss fires
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