Help please...ready to kill the crx

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J

jelma1854

New Member
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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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.
 
K2e2vin said:
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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Yup.

I would also replace the wires, cap, and rotor if you replaced the plugs.
 
spit &sputter

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?
 
90civicdx said:
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?
Click to expand...

here's one... start your own thread!
 
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