S2000 Under The Hood S2000 Technical and Mechanical discussions.

wierd engine problem

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Old Aug 9, 2010 | 08:55 PM
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Default wierd engine problem

Ok I noticed this near the begining of the year if I'm idle not moving and I give my car a quick rev to about 2-3 k rpm the rpms will almost go down to zero and the car has died twice on me doing this. Now this is happening if I'm cruise and I put it out of gear regardless of what speed I'm goin foot is not on gas pedal or clutch and car is not in gear just for clarification but the car will do the same thing list about but it feels like the engine is hittig something near my feet. I've done an oil change dif flush radiator flush and tranny flush my car has about 75k miles on it. My mods are a tic single exhaust fromgreddy a k&n intake a invida 70mm textpoipe and a mishomoto radiator. Anyone have any ideas what the problem might be?
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Old Aug 9, 2010 | 08:57 PM
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TPS.
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Old Aug 19, 2010 | 02:49 PM
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OK i just swapped out the tps sensor nah the whole throttle body with a sos 70mm and a new intake and new spark plugs and im still getting the same issue, anyone have any ideas?
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Old Aug 19, 2010 | 02:51 PM
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MAP wack.
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Old Aug 19, 2010 | 05:27 PM
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did it
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Old Aug 19, 2010 | 09:58 PM
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I have similar mods, and when I did the map wack it fixed it somewhat.
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Old Aug 20, 2010 | 06:59 AM
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anyone?
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Old Aug 20, 2010 | 07:17 AM
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I have always had luck with cleaning the throttle body/egr but many have needed to service the idle air control valve.
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Old Aug 20, 2010 | 08:52 AM
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Have you reset the ECU and had it properly relearn idle?

Cruising in N confuses the ECU. The motor should catch itself though.

I would relearn ECU and stop cruising around out of gear.
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