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Old 05-22-2009, 08:45 PM
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Default Idling Issues
i was wondering if it could be my EGR valve. i mean it only idles when its warm up and its throwing a 12 on the cel. could that be it?

its a 93 si.
d16z6
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Old 05-22-2009, 08:51 PM
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Default Re: Idling Issues
Im not sure if it would cause a cel but i know it will cause a idle problem. Check your pcv valve.
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Old 05-22-2009, 08:59 PM
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Default Re: Idling Issues
the lil plastic thing that sticks to the manifold right near the ports?
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Old 05-24-2009, 12:09 AM
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uhm?
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Old 05-24-2009, 02:32 AM
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Default Re: Idling Issues
iac valve? i have a similar problem
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Old 05-24-2009, 05:22 AM
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Default Re: Idling Issues
Originally Posted by d_EG COUPE
the lil plastic thing that sticks to the manifold right near the ports?
Yes, that's the PCV valve.
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Old 05-24-2009, 06:12 AM
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Default Re: Idling Issues
What is it that it idles low until it warms up??? If so I'm having the same problem, I dont have my pcv conected, can this be the problem??? Im going to try to connect it and if it works I'll let you know. BTW I have a B16A2
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Old 05-24-2009, 06:43 AM
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Default Re: Idling Issues
Yes, code 12 for a fault in the EGR system can cause a rough idle. Definitely fix that code.

Also clean the FITV on the throttle body.
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Old 05-30-2009, 01:13 PM
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Default Re: Idling Issues
how do i clean it? and wats the FITV
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Old 05-30-2009, 01:59 PM
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Default Re: Idling Issues
FITV is Fast Idle Thermo Valve. You remove it, open it up, and clean it with Carborator Cleaner. It can also be adjusted but that's if you have a hunting idle (reving up then down then up again and so on).
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Old 05-31-2009, 06:15 PM
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man im ajuss take out all my valves and clean em lol
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Old 05-31-2009, 07:12 PM
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Default Re: Idling Issues
how do i take out the iac valve? i mean do i gotta take off the manifold or...
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Old 05-31-2009, 07:12 PM
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Default Re: Idling Issues
Originally Posted by RonJ@HT
Yes, code 12 for a fault in the EGR system can cause a rough idle. Definitely fix that code.

Also clean the FITV on the throttle body.
how do i fix it though?
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Old 05-31-2009, 07:29 PM
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Default Re: Idling Issues
IAC is a code 14, do you have both codes? you can try to clean the EGR, but would probably be better to replace it
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Old 06-01-2009, 09:30 PM
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Default Re: Idling Issues
im havin a rough idle. but 12 bein thrown up.
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Old 06-01-2009, 09:31 PM
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Default Re: Idling Issues
idk
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Old 06-01-2009, 09:43 PM
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Default Re: Idling Issues
so how can i clean the egr?
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Old 06-01-2009, 09:45 PM
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Old 06-01-2009, 09:56 PM
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Default Re: Idling Issues
wooooooooooooooooooooooooooooooooooooooooooooooooo oooooooooooooooow! thanx lol seems like a days work haha
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Old 06-21-2009, 07:02 PM
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Default Re: Idling Issues
good info bro
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