idling issues

[astrob0y_]

Hi,

My b18c has idle issues where it idles normally (around 750 rpm) but if i give it some gas and let it idle back to normal it would drop to around 500 rpm

if air con is on it will drop the idle as well

suggestions to look for?

any help will be appreciated.

[Mr EG]

I used to have this problem before. I changed my ignition timing correctly and it sorta better. But sometimes it would do it but yeh not as much as before. I dunno. Maybe someone can help you with this one.

[JohnL]

Check the 'base idle' speed (i.e. the idle speed with the 'diagnostic plug' shorted out, or the IACV disconnected), and that the IACV is functioning correctly.

[richy b]

id maybe try to clean the throttle body aswell. grab some carby cleaner, apply on a rag and give it a good clean. make sure the buttlerfly aswell all around

[astrob0y_]

thanks for the input,

i'll check out the IACV and give the throttle body a clean on the weekend.

any more ideas will help as this is annoying me.

[richy b]

if possible, flash code it, short out the 2 pin plug, who knows, u might have a code.....

[B18cEG]

clean out your iacv with degreaser hardcore and clean the filter on it.

[CTR_EK9]

check your fuse at the fusebox in the engine bay before getting onto mechanical stuff...

that happens to me once and I've tried cleaning the IACV and throttle body but that didnt seems to be working... check the fuse and one was blown so i replaced and its idling fine now.....

[astrob0y_]

check your fuse at the fusebox in the engine bay before getting onto mechanical stuff...

that happens to me once and I've tried cleaning the IACV and throttle body but that didnt seems to be working... check the fuse and one was blown so i replaced and its idling fine now.....

fuses seem fine,

cleaned the throttle body but couldnt get the IACV out from the hoses lol
the car revs better but will clean the IACV when i have time

thanks for the input

[dougie_504]

Otherwise get it tuned :)

[TODA AU]

Suburu upper engine cleaner... :thumbsup: