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idle surge problem

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Old 05-24-2005 | 04:17 PM
  #21 (permalink)  
DEATH ZEPPELIN's Avatar
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Have you tested the ISC? Or what about the pcv valve, sounds stupid, but ive seen it work...how much is vacuum at idle, where does it idle around.
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Old 05-24-2005 | 04:21 PM
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the isc was good and the pcv valve is good not sure on vacuum yet because autometer gauge isnt on yet tomm i will hook it up
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Old 05-24-2005 | 10:11 PM
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it idles around 1100-1500 surging and sometimes it stalls
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Old 05-24-2005 | 10:17 PM
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i just thought of something ive looked at all the aftermarket turbo intakes and they all have the stock desingn w/ the curve i have a custom 2.5 inch straight intake pipe would that cause a problem?
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Old 05-25-2005 | 08:21 AM
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Try cleaning the TB, I've heard if to much carbon builds up on it it can cause idle issues.

*Edit*
Whoops he already did that.
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Old 05-25-2005 | 08:27 AM
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i am currently having the same problem on my 2g. i ran an obd2 scan and it said i had a bad map sensor. i don't know if this would apply to you tho
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Old 05-25-2005 | 11:52 AM
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well i do have a datalogger and palm pilot i wish i knew how to use it im just gonna plug it in and see what happens
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Old 05-26-2005 | 01:56 PM
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any more ideas?
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Old 05-26-2005 | 01:59 PM
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Reset the ECU?
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Old 05-26-2005 | 02:23 PM
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have you hooked up a boost guage yet, to check what vaccum your running
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