Honda/Acura Tech Honda tech discussion.

cold start idle issue

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Old Mar 25, 2007 | 04:48 PM
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Default cold start idle issue

im having issues with my honda when starting when its cold. i have to give it gas to start it and keep giving it gas to keep the car from stalling until the car warms up. also, while im holding the gas to keep the car running the idle is jumping up and down. but once it warms up its fine and starts fine.

car is a 94 cx hatch with a GSR swap. mods are intake, exhaust, and chipped ecu.

any insight on what it could be? any help will be appreciated.
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Old Mar 25, 2007 | 04:49 PM
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Any check engine lights? What program are you running on the ecu? Can you try using a stock GSR ecu?
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Last edited by EGKID; Mar 25, 2007 at 04:52 PM.
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Old Mar 25, 2007 | 04:51 PM
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Originally Posted by EGKID
Any check engine lights?
nope
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Old Mar 25, 2007 | 05:14 PM
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Originally Posted by fadedSTi
im having issues with my honda when starting when its cold. i have to give it gas to start it and keep giving it gas to keep the car from stalling until the car warms up. also, while im holding the gas to keep the car running the idle is jumping up and down. but once it warms up its fine and starts fine.

car is a 94 cx hatch with a GSR swap. mods are intake, exhaust, and chipped ecu.

any insight on what it could be? any help will be appreciated.
What injectors is the car running ?
What ecu eprom chip is the car running on ?
Does the check engine light turn on then turn off when you first turn the key to the on position ?
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Old Mar 25, 2007 | 05:15 PM
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Originally Posted by Lookin2GoFA$T
wht ecu is it running? if it's an unchipped gsr ecu you should let it warm up and then turn the car off and reset the ecu. then start it while it's still warm, with out touching the gas pedal.
Resetting the ecu won't effect a thing on an obd1 vehicle that is not throwing a code.
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Old Mar 25, 2007 | 05:17 PM
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Originally Posted by mtber
Resetting the ecu won't effect a thing on an obd1 vehicle that is not throwing a code.
admittedly pwned
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Old Mar 25, 2007 | 05:38 PM
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Originally Posted by mtber
What injectors is the car running ?
What ecu eprom chip is the car running on ?
Does the check engine light turn on then turn off when you first turn the key to the on position ?
running the stock injectors i believe. not sure on the chip in the ecu. ill have to check to see if the CEL does that

once it warms up, the car runs smooth and perfect.
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Old Mar 25, 2007 | 05:41 PM
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Originally Posted by fadedSTi
running the stock injectors i believe. not sure on the chip in the ecu. ill have to check to see if the CEL does that

once it warms up, the car runs smooth and perfect.
Well, have the ecu checked out & the car looked at by some one who knows what they are doing
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Old Mar 25, 2007 | 05:42 PM
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Originally Posted by mtber
Well, have the ecu checked out & the car looked at by some one who knows what they are doing
you think its a problem in the ecu?
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Old Mar 25, 2007 | 05:45 PM
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Originally Posted by mtber
Does the check engine light turn on then turn off when you first turn the key to the on position ?
i just checked this and the check engine light never comes on
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