S2000 Under The Hood S2000 Technical and Mechanical discussions.

Serious issues - Need help!

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Old 07-20-2008, 08:55 PM
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again, that would be consistent, this is intermittent. I've pulled the code in the recent past, and have gone through many tanks.

Thats highly improbable.

I should mention that thats 6K I have put on the car, its an 01 AP1 with 124K on it.
Old 07-21-2008, 05:17 AM
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ic..i thought you said the car only has 6k miles on it since 01 , my bad.
Old 07-21-2008, 08:49 AM
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Could a cam position sensor cause this? Could it have gotten damaged against the firewall when the motor was lowered to let the transmission out?
Old 07-21-2008, 05:50 PM
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Would you be able to post freeze data?
Old 07-22-2008, 12:38 AM
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I'm not sure what that is, so i assume not.
Old 07-22-2008, 04:32 PM
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Freeze data is the PCM recorded data similar to Data list. anyways, i would go ahead to check the valve lash, than do an Induction service (often called Top engine clean) to see if it shows improvement.
Old 07-22-2008, 04:38 PM
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Yeah check the TDC sensors on the valve cover.

By the way try the MAP whack. My friend had the same issue and bought a bunch of stuff and the MAP was the culprit.

Search map whack
Old 07-22-2008, 04:50 PM
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so what you r saying is MAP whack would fix misfire?
Old 07-22-2008, 04:56 PM
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It could. It fixed my friends. He changed his O2... same, he changed the plugs... the same... refilled the gas... the same... we were going to swap coil packs but he decided to try the map whack and he's been trouble free since.
Old 07-22-2008, 05:37 PM
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We tried a brand new MAP already and it did not fix it.


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