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I have a jdm typer motor in my 93 vx when the car is cold i have irratic idle like from 600rpm to 2000rpm but when the car gets up to opperating temp the irratic idle is gone does anyone have any ideas what it could be thanks

i just plug all the sensors in and bought a obd1 vtec distributor and a si ecu chipped for itr

ok i have a 93 vx hb i put in a 97 jdm typer motor with a si chipped ecu it runs but when could idle goes up and down from 800rpm to 1400rpm but when it gets up to operating temp it stops doing that any one have any ideas what it could be and another question the 93 vx has vtec but would i still...

thanks alot for the info

i have a 93 civic vx hb im swapping in a 98 and up typr motor jdm what will i need to do for wiring and what ecu I should use i will probably buy a obd 1 gsr ecu reprom for type r any help will be great