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Phillips head screwdriver. You just need to get one the right length.

the one in the picture is the old one i replaced and it was pretty tight wouldnt budge at all. But ill give it another go.

Remove the aac?

Its a pretty big job to remove the plenum to be able to get to the acc and remove that.

Besides i think it needs to be adjusted on the car so you can monitor the idle

You can get 90deg screwdrivers from repco/bunnings etc, might make it easier

thanks mate ill give that a go.

on my r33 intake I just simply put a screwdriver in it and turned it, what car/engine are you using ?

Is it a gtr rolls? because im running the rb26.

Guys just on O2 sensors - you don't really need em.

I drove to Syd & back with 340rwkw, 700kms to a tank and that was using no O2 sensors (just stayed off boost).

It's all in the tune for that type of thing (RE: O2/economy) and they certainly aren't required.

I took off my aac yesterday because it originally wasnt plugged in and when connected i was having high idle problems and the screw was stuck aswell.

This is in an r32gtr, there are 4 bolts holding the aac to the main body, all of them are fairly accesible and didnt require the intake plenum to be taken off. I was able to reach the bolts with a 10 or 12mm socket and have enough room to swing the ratchet. Taking off the attached line is a little harder as there's not much room and the clip can be a bitch to get a hold of.

From here i just put the body in a vice and used a phillips head attachment in my cordless drill with a high torque setting to slowly crack it.

In the end i ended up having the screw in most of the way anyway and found out that my pfc idle settings were set pretty high so i had a play with them and seems alot better but still not perfect (when i take my foot off the accelerator it drops down to 12000rpm and then slowly drops to 900rpm or so).

Edited by joeyta22

Spray some Wd40 on it first....The rubber seal locks it in there pretty good.... And you wont damage the rubber

Thanks mate I'll give it a go

In the end i ended up having the screw in most of the way anyway and found out that my pfc idle settings were set pretty high so i had a play with them and seems alot better but still not perfect (when i take my foot off the accelerator it drops down to 12000rpm and then slowly drops to 900rpm or so).

What settings did you change exactly mate on the PFC?

Under SETTINGS --> REV/IDLE

F/C A/C - : changed to 1100 or so

Idle A/C - : changed to 890 or so

The other options are to do with when you have the air-con on, which i never do anyway so didnt really bother with them.

unplug the IAC if it doesnt drop then pull it off and undo the 4 screws - i had hunting and high idle issues for a very long time and finally decided to pull the thing apart

turns out the tensioner spring inside the valve had broken, replaced it and perfect idle first start.

Guys just on O2 sensors - you don't really need em.

I drove to Syd & back with 340rwkw, 700kms to a tank and that was using no O2 sensors (just stayed off boost).

It's all in the tune for that type of thing (RE: O2/economy) and they certainly aren't required.

I'd even argue you will get better economy without the O2 sensor if tuned appropriately as you can tune leaner than stoich.

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