gsr idle issues

[dusterdude]

I test drove a 99 integra today runs great besides The hunting idle. It will rev up to 1500 and then really low sometimes kills the motor. Just waundering what could be causing this? Iac? The car has mild cams and adj gears full exhaust and intake apex neo . Thanks for any help

[ruthless351]

Vac leak?

[bubba]

is the CEL on?

[dusterdude]

Yea check engine light is on. It only does it After it warms up

[KA-T_240]

dusterdude;303261 wrote:
Yea check engine light is on. It only does it After it warms up

hmmmmm next logical thing would have been to check why the CEL was on.....

[Slowica]

Find out what code it's throwing. assuming that when it's switches from the cold idle to the warm that the A/F is off. Vacuum leak would be a goo guess though.

[inspector01]

KA-T_240;303265 wrote:
hmmmmm next logical thing would have been to check why the CEL was on.....

Dude, have you ever worked on a car?? Start replacing parts first till it goes away, why would you waste 2 minutes checking codes??

[bubba]

inspector01;303286 wrote:
Dude, have you ever worked on a car?? Start replacing parts first till it goes away, why would you waste 2 minutes checking codes??

lol,

find out what code its throwing... tard....

[SPANISH-RICE]

bent valve. replace the head

[dusterdude]

Code is for o2 sensor.

[dusterdude]

And just hooked up a vacuum gauge and that's at 20-22

[SPANISH-RICE]

dusterdude;303314 wrote:
Code is for o2 sensor.

no shit?! i wonder what it could be?! lol replace your o2 sensor

[dusterdude]

Fixed