How to adjust the Idle Air Control (IAC) Valve on the 89-95 Toyota 22RE pickup truck throttle body
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- เผยแพร่เมื่อ 26 ส.ค. 2024
- Also see my other IAC video here:
• MORE on adjusting the ...
The tool I use is covered in more detail here:
• MORE on adjusting the ...
After making further adjustments, I've found that 4 turns out works well as an initial starting point. Please also refer to the video above, which provides further information on the IAC valve and also shows the adjustment tool used in further detail. Thanks!
This video is incredible- I’ve been doing research as I’ve been having a terrible time with idle surging. Replacing this thing is an unnecessary expense. Thank you your taking the time to make this fantastic demonstration. Will be tackling this over the weekend 🙌
Glad it helped out! I have other videos on the channel regarding the IAC valve also.
Finally a good video for adjusting the valve. Great video!!!
Thank you for this video! What you describe at the 6 minute mark exactly describes what my truck does. I have not yet readjusted mine, so I appreciate you following up on this 👍
I just test drove mine with the new adjustment yesterday and it seemed to work better overall. Glad the video was helpful! :-)
Ok, I'll admit, Im not a trained or even very experienced mechanic .. to me, this is next level, you are a legend .. thank you so much for sharing all these 22RE vids .. fyi, if I got all of them, I think you are currently at 99 published videos just on the 22RE :) so on the next one as of time of this comment, maybe some sort of celebration is in order? Achem, there was some very beautiful dancer hanging around you at one point 😁
Thanks man.. glad you are enjoying the videos. I have a fun time making them and answering comments. Yes, the girl who used to hand from my roof was my former girlfriend, Abi. We are no longer together. She can still be found on Instagram @Abilola90
The best explanation about this problem.
thanks!
Wow, very thorough. Can't get that collar unscrewed to save my life. Ordered some Kroil penetrant as PB blaster didn't do it. Will make your special tool also and see how that works.
Getting it free the first time is a straight up nightmare. Try putting some heat on it.. I wonder if maybe Toyota used some sort of locking compound or something. I can't remember exactly how I did mine, but I think I might have used a punch to drive it backwards or maybe I used that socket I made with a mild impact gun... but yeah, it's not easy. Make sure to accurately mark the factory location.
I was just messing with mine 3 hours ago and went with roughly 2.5 turns out and received a positive result with a cold idle of 1100 RPM. Was having it idle at 2200 before at cold so it was definitely the culprit. Now with it being at operation temperature, it idles around 900 but I'm happy with that. My only issue is when I come back from a ride and try to start it after I shut my truck off it'll die sometimes in first gear. I Will mess with the AFM tomorrow as that is the only thing I haven't touched.
Afm?? What's that
Been watching a lot of your toyota content. Very informative thanks Ray!
Thanks!
Great video very helpful thanks for sharing going to try cleaning mine in a couple weeks
Thank you for this! I made a similar tool and it was a big help.
Great video and explanation, thank you sir. Where did you get the adjusting tool?
Thanks! That's a little tool I made here in the garage. I have some more information on it in this video here: th-cam.com/video/CE5RLrnEk6M/w-d-xo.htmlsi=BhoJleLP4u0mtCXs
Where do you get that adjustment tool & what size is it?
I just uploaded a video for you, which shows it. th-cam.com/video/CE5RLrnEk6M/w-d-xo.html
THumbup from me. Do you have any videos on how to adjust the position sensor on a throttle body? Thanks
Thanks! I don't have any specific to the TPS but there are some good ones out there. You definitely want to get that adjustment correct using a digital volt meter. I would refer to the factory service manual pages for that, since it's a fairly process to adjust it correctly.
amigo necesito ayuda con respecto a esa misma iac en mi caso estire el resorte pensando que iba a cerrar de mejor forma y resulta que ahora no cierra por completo me imagino dañe el resorte el que va suelto que me recomiendas
Hola amigo, creo que una vez que expandes el resorte, se acabó el juego. Es posible que deba comprar una pieza nueva para reemplazarla.
Just a quick update: I've since adjusted my IAC valve to exactly 4 full turns out from all the way in; that seems to be working pretty well and slightly better than the previous 2.75 turns. Also see the other video linked in the description for further information and also a more detailed look at the adjustment tool used. th-cam.com/video/CE5RLrnEk6M/w-d-xo.html
So one quick question. Turning it all the way clockwise will shut it down at a lower temperature, and turning counterclockwise will shut it down at a higher temp. Is that right or do I have it backwards?
correct - clockwise and it shuts at a lower temp; counter clockwise and it allows air to flow through until a higher temp.
Quiero saber cuántas vueltas se da para calibrar la valvula
Si, me gustaría saber eso también. No marqué el mío cuando comencé a ajustar. Alrededor de 4 vueltas es donde lo tengo ahora, pero creo que 4,5 quizás sea mejor. Tengo más pruebas que hacer en el futuro.
Te agradezco te saluda Pedro de Guatemala
@@PedroItzep-ed5ybDe nada. ¡Guatemala! Mi ex novia era mitad guatemalteca jaja :-) Creo que en la válvula IAC, tal vez intente con 4,5 turnos. Déjame saber si te parece bien. Estoy usando 4 turnos aquí, pero creo que necesito un poco más porque el camión tiene un punto durante el calentamiento con el que tiene problemas (el ralentí baja durante unos minutos en las paradas).
Como lo sacaron no puedo remover
This fucking rocks ! Your the man !
Thanks!
I know you been having trouble with this, the coolant inside the system might be under pressure? Could that effect the temperature/timing opening?
I think I adjusted it incorrectly previously. I had it set more like 3.5 turns out, which I think was resulting in it closing far too late. I'm going to try the 2.75 turns and see if it will fully close and stay closed at 100 degrees - which the motor should have less trouble staying above. How's your build going?
@@ray5961 The relay came it and worked like a charm. On a hold until I get more fund. Just thinking how far do I want to go. Thinking of future paint color also, thinking of painting it Toyota Cement Gray (1H5). On a stand still for rn.
@@ericrodriguez8556 Glad to hear the relay did the trick!
I'm looking at the tool you used to adjust the valve. Where can I get one of those?
I made it from a spare 9/16th socket w/ 3/8 drive. I filed it down on the top in order to create the two areas that fit into the adjustment nut slots on the IAC. If you have a spare socket and a large metal file, it's actually not too hard to make. I think it took me maybe 20-30 minutes of filing and checking to get it to work. It's really handy to have, especially if you have never adjusted that nut before, because it tends to be hard to move the first time.
@@ray5961 Thank you Ray for the quick reply. I went to adjust the valve and I was afraid of breaking something. I have plenty of 9/16 sockets!
@@xyzabc9332 I soaked mine in WD40 over night the first time I broke it loose. Before I made that little socket tool, I used some C-clip pliers and just stuck the pin part of the pliers into the slot and then used a wrench or something on the pliers to twist. Luckily I didn't damage anything doing that method. But yeah, the custom made tool from the 9/16th socket works much better and also allows to easier fine tuning adjustments down the road. Frankly, just blocking off the IAC valve works best, unless you are in a super cold climate. I have mine blocked off with some tape (to block the hole inside the throttle body, as shown in my other videos). Once the truck oil temp gets up to about 100-120 degrees, the truck idles fine after that.
@@ray5961 I've tried to make 3 out of different sockets but my IAC is so stuck it's sheared the tips off each one and I can't adjust it
@@coop_69 I hear ya man. Mine is stuck so bad I thought it would never break loose. I might have used some heat on the aluminum housing to help free things up, but I can't remember for sure. Also, make sure to use some WD40 on the threads over night. Also, the socket is for making adjustments. I didn't use that socket to break mine loose; I made the socket after it was already turning. Sorry maybe I should have made that clear. As I remember, I used some needle nose pliers, where I ground off the ends to make tips that go into the slots, then I used an adjustable wrench across the pliers to turn them. So with one hand I was holding the tips of the pliers down into the groves of the adjusting nut and with the large wrench, I was exerting a turning force on the jaws of the needle nose pliers. It finally let go like that with a big *crack* and even then, turning it was a bitch. There's no easy solution.. you just need brute force basically.
2 and 3/4 full 360 degree turns?????
yeah 2 full turns, then 3/4 of a turn, However, I think it might actually need more than that now that I have tested it. Maybe 3 to 3.25 would be better. I'll probably leave it at 2.75 turns, even though idle is down around 600 RPM's for the first few minutes. Never a dull moment adjusting the ol' IAC valve. :-)
How can I get that tool
That's something I made. I have a video which covers it in more detail here: th-cam.com/video/CE5RLrnEk6M/w-d-xo.html
Be çàreful wheñ doin this
Hey, nice video, thank you.
So once tightened down, then backed off 2.75 turns will the coolant be able to flow as freely as when set to factory setting?
I imagine that all coolant doesn’t have to pass through the IACV, just a portion?
Thanks! The adjusting ring actually is controlling air flow into the motor; it doesn't have anything to do with the coolant flow. The coolant flows through the IAC all the time (just like you see with those hoses I have setup on the sink). What you are adjusting with the IAC valve is at what coolant temp the IAC stops allowing extra into the motor. The IAC valve' s job is to allow more air into the motor so when your vehicle is cold, it can run for a bit at a slightly higher RPM. 2.75 turns counter clockwise from all the way in will shut the air flow off at coolant temp of around 100 degrees F - I haven't tested my setup yet to know if that's a good setting or not, but i think it should be about right based on how long it takes my truck to reach about 100 degrees on the engine oil.
@@ray5961 Thanks again for the video & happy to hear that the coolant flow isn’t obstructed in the adjusting of this valve to reduce auxiliary air flow at a lower coolant temp:)
@@DePalma. No coolant was harmed in the making of this video haha :-)
@@ray5961 lol
OK Google I need