cant figure out what the hell going on

civic hatch

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when the car sits at idle it goes all the way to leaning out real bad, and stays there until i get on the gas. when i punch it it get too rich, everyday driving is fine. i know the tune is good cause it only just started doing it, i reloaded the origional tune but car still doing it. injectores are good tested them and so is the pump, someone told me it might be in resistor box, could it be...

do resistor boxes go bad

specs
96 honda civic hatch
d16y7 boosted tdo4 turbo
vitara pistons
eagle rods
running emanage tuned by Jotech racing.
injectors 450 dsm with resistor box from civic.
AEM wide band
egt guage


please help this is killing me
 

jason_guy_yeah

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Maybe since it's colder, the correction factors aren't set right.
 


MasterShake

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^^^ yup, colder air is more dense and will mess with your tune a bit.

and i thougth dsm's were 450's and 95 civics dont have resistor boxes.
 

civic hatch

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thats just it it not cold out here, the temp has been good all year, were still sitting in the 70's

do resistor boxes go bad?

as for the injectors my bad, there out of a talon/eclipes and the box they guy told me it was from his 95, 3 years ago

ill edit the post
 


MasterShake

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i never heard of one, is your boost psi the same as when it was tuned? do you think you have a leak somewhere?
 

DetainedCivic

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The resistor box either cam from a obd-0 civic/crx or from the eclipse.

As far as the running lean at idle, did you disable the closed loop on the o2 sensor??? I know with this option on it will mess with a tune. The car will learn new parameters and adjust the tune. When I tune my cars I disable the o2 sensor so I don't have this problem.
 

civic hatch

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both o2 are connected and i have no check engine lights, it has been this way since the turbo was put on. boost PSI is the same hasent changed since tune, have 2 setting 6 LBS and 12 LBS and both setting do the same thing,
 


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