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Author Topic: idle dip  (Read 1930 times)

Bimmer805

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idle dip
« on: January 31, 2011, 01:37:02 AM »
ill make this short and sweet. my e30 idles fine but in about 10 seconds the idle dips low as it were about to stall then it does back to normal then it will do the same thing after ten seconds. what do you guys think it can be?
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DesktopDave

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idle dip
« Reply #1 on: January 31, 2011, 06:49:42 AM »
Usually ICV or vac leak.  Could also be an O2 sensor.  Try a stomp test, see if you get a 1222.
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Bimmer805

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idle dip
« Reply #2 on: January 31, 2011, 11:40:22 AM »
i had replace the o2 sensor just recently. i did the stomp test which gave me 1234 and idk what is that but after i drove it on the highway and then came to a stop it went away and idled fine. hey do you think i should use the oem vac lines or  re-route them with other vacuum hoses because on another form i saw how they reroute them but idk if i wanna do that or just stick to oem hoses
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