S2000 Under The Hood S2000 Technical and Mechanical discussions.

Major Problem, please help!

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Old Jan 9, 2010 | 10:34 AM
  #1  
JoeyBalls's Avatar
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Thumbs down Major Problem, please help!

Ok so I was getting on the highway and dont really go into VTEC witht he lowered compression

After I go WOT th car bucked and stalled its way home. at traffic lights it goes from 1,000rpms-4000rpms as if I am doing it, very annoying and embaressing

It is like when I had my TPS problems, I am going to check the volts know coming from the TPS sensor, also can I use my SOS 3bar MAP sensor in case it is the OEM MAP sensor that is causing the problems

Car also stalled frequently when i let offf the gas

HELP the ballman
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Old Jan 9, 2010 | 10:39 AM
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Sounds like you have got an air leak somewhere around the intake manifold. Make sure you haven't popped any hoses off.
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Old Jan 9, 2010 | 10:51 AM
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this is not blocked off, but I think it was done like this on purpose

im so ****** mad

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Old Jan 9, 2010 | 11:25 AM
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i cleNED THE IACV, that wasnt it, TPS seems fibe voltage wise, I just swicthed to the SOS 3 bar MAP sensor and car barely starts then dies, could the plugs be to fouled up?

HELP ME
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Old Jan 9, 2010 | 11:46 AM
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If your still on the stock ecu you CANT use the other map sensor!
Check for vacuum leaks or a line off.
The air pump not being connected is no big deal as long as the vacuum line that use to attach to it is now blocked off.
What injector emu are you running, stock still?
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Old Jan 9, 2010 | 12:40 PM
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What engine management are you running? Give me a little info on the car.
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Old Jan 9, 2010 | 12:44 PM
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Originally Posted by JoeyBalls,Jan 9 2010, 03:51 PM
this is not blocked off, but I think it was done like this on purpose

im so ****** mad

Yea that can be opened, thats the air pump valve, thats not the issue, check for vac leaks, check the o rings around the injectors too.
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Old Jan 9, 2010 | 02:05 PM
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dude this sucks.

subscribed. hope its nothing serious.
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Old Jan 9, 2010 | 02:22 PM
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have you checked if you have a check engine light and if so what its for? Id imagine this would set a cel and Im pretty sure you still have stock ecu. I know the light is probably on anyway but see what other codes are present on top of the obvious other ones.
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Old Jan 9, 2010 | 04:05 PM
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yeah, I have had the CEL on for a while, If I can get the car to autozone I will see what it is throwing. I will put the OEM MAP sensor back on........ I dont know what it could be........
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