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Old 11-10-2009, 06:56 PM   #1
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Default Help please...ready to kill the crx
Ok.. we just got another crx...last one was run into a tree(long story)..ok here is the problem...we have swapped a b16a vtec and now we are haviing a few problems...when it is cold it idles wonderfully...once it warms up it sounds like it is missing and spits and sputters...we have had it to a dyno..we changed the plugs, has a pr3 ecu, now when you barely touch the gas after it warms up..it spits asnd sputters and bucks..does anyone have any help they can offer ...before i drive it off a cliff
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Old 11-10-2009, 08:49 PM   #2
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drive it to me and let me have it
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Old 11-10-2009, 10:44 PM   #3
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can't drive it if the computer is broken...other than that do you have any other ideas
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Old 11-10-2009, 10:50 PM   #4
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Sounds like it may be the TPS and/or MAP sensor.

As for the idle; may be related to IACV, IAT, or FITV if you have one. Clean the IACV and FITV, and see if that helps with idling.
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Old 11-10-2009, 11:39 PM   #5
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Originally Posted by K2e2vin View Post
Sounds like it may be the TPS and/or MAP sensor.

As for the idle; may be related to IACV, IAT, or FITV if you have one. Clean the IACV and FITV, and see if that helps with idling.
Yup.

I would also replace the wires, cap, and rotor if you replaced the plugs.
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Old 11-11-2009, 07:21 AM   #6
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i just swaped a 91 ls into my 90civic and it startsup no prob. idles good but when
i drive and get up some rpm it stutters.it also runs rough and starts rough any ideas?
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Old 11-11-2009, 04:21 PM   #7
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i just swaped a 91 ls into my 90civic and it startsup no prob. idles good but when
i drive and get up some rpm it stutters.it also runs rough and starts rough any ideas?
here's one... start your own thread!
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