Holley Terminator X Max Idle adjustment and IAC!!!
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- Опубликовано: 30 сен 2024
- Describing how to set your idle and adjust the Idle Air Control Valve (IAC) to acheive a proper idle after initial installation of Holley Terminator X Max on a LS Swapped 49-54 Pontiac.
#68-72 #68 #chevelle #a-body #abody #ls swap #restomod #fabrication #hotrod #weld #diy #modify #install #weld #holley #restoration #garage #at-home #builtnotbought #recycledracing #terminator #iac #idleaircontrol
#instructions #holleyefi
There's so many videos showing the incorrect way to "adjust" the IAC, including this one.
You don't adjust the IAC, you set your idle with the IAC unplugged, perform a TPS Autoset, plug the IAC back in and you're done. There's no reason at all to do it this way.
1. Unplug IAC motor
2. Start engine, adjust idle with throttle plate screw to ~100 rpm below target idle rpm
3. Shut off engine, turn ignition on & perform TPS AutoSet in Holley software
4. Plug IAC motor in
DONE
This is where the IAC will operate at idle
You should let Holley know step 25 in their install manual is incorrect and your method is better. Im sure they will appreciate your inputs. Thanks for sharing! Sharing is caring;)
“Intake air control valve..”. Umm, wanna try that again?!?!
It is "Idle Air Control Valve" lol. I was looking at the intake. Good catch. Theres a couple more also.
Good Info, I can’t imagine the number of people that ignore setting the iac
you would be surprised.
Guilty!
I have the same ASA cam and had really bad cut off when stoping and restarting was a mofo., I used this iac single turn trick and reset tps and IT WORKED! starts easily and no more dying and quick stops. thanks sir
Glad to help.
If thay don read thay can find this video so thay will still ask on the forum any way because that cant read and find the search function. I think facebook ought to direct you to search when you try to post something for the first and second and third time then let you post.
no wonder you only have 121 subscribers
It would be beneficial to film a little closer to the actual objects which are explained. Like the small screen etc. Hard to see the details.
But thanks for the information.
Noted. Im just learning this whole process. Thanks.
Muhahaahah hp tuners will soon be a thing of the past and it only took 23 years
probably not, tons of people build there daily drivers with stock ecus. These only are really good in swap applications.
@@Mtnbike121 I agree if your doing a bone stock swap in like older gm stuff but if it's in an import or anything remotely race oriented I feel like it be a sin not to run the Ebay turbo or it be a sin not to cam it etc etc I get that not everyone needs a racecar but to me it seems like wasted opportunity but that's just my opinion since as a teenager I wasnt allowed to have a v8 car let alone a fast car so sadly I'm just building along I still drive slow car because my project car has taken 2 years so far and this pandemic isn't doing me any favors
@@Dannymclovin no no i get that, but like if i already had a camaro, corvette or silverado, why would i spend another 1200$ on a different ecu and then pay someone to tune it? when i could pay someone 450$ to tune it.
@@Mtnbike121 oh well that's completely different im talking about swaps, if you have a stock gm product that came with an LS youre right why change the ecu but if you know your going to do crazy mods I dont think it would make sense to pay a tuner when you have an amazing holley ecu that self tunes and has the extra safety measures
great video but man that fan is annoying, try to wire it to a temp sensor.
Its on a temp sensor. Comes on at 205. I need to raise it some.
Hey can you tell me where u have your wot, cruise, idle setting at?also what's your acceleration enrichment set at? If you can tell me I would be thankful
Can this cause a no start situation I have yet to start my engine. IAC reads 95% but It has never started. I don’t have spark or injector pulse. I do have sync and rpm signal about 160rpm while cranking.
If I remember correctly your rpm must go about 400 to get spark and injectors.
Where should a person put and keep the static timing ??
Would I still have to set the iac if it’s a pull out motor?
I have a 2000 ls1 f body motor all stock besides long tube headers with about 30 inch of tubing after o2 sensor.
Won’t idle for shit and it backfires on startup. I have the ecu map sensor connected to the bung on the intake. Verified coil wiring is correct. Wires that need direct battery are directly to the battery. 24x/1x harness and ev1 injectors it has fuel pressure.
If I give it gas on startup it immediately dies or backfires really loud then stalls and it will have crank/cam red signal every now and then. so I can’t get it to idle at all. Cam sensor and crank sensor are the black sensors and they’re both brand new.
It was running before we pulled it and the timing wasn’t touched so we know that’s fine.
This was advertised as a plug and play kit and it seems like everyone has to go into software to get their builds running. I’m not a tuner so the computer stuff is confusing. Any input would be appreciated this is really frustrating.
Great video by the way very informative. I’ll be subscribing.
Sorry for the delay. The red light for crank/cam sounds similar to an issue I had before. There was a junction in the holley harness that was just glued together vice soldered and when vibrated it would have an intermittent cam signal. I troubleshoot for hours until I ripped it all out and checked each individual wire and found that. There are threads and pic online somewhere about these issues. I think holley fixed that long ago but that sounds similar to my issue
@@RecycledRacing thank you, it ended up being a faulty crank sensor that was supposed to be brand new 🤦♂️
Cool
thanks
Pure gold. Ha ha!
Ending was perfect
Thank you
My iac is at 80% tf do I do about that 😂
You need to adjust it. Same method as the video. Give it a turn or so reset the tps and let it settle and see where it is. Rinse and repeat until your at 2-10%
Do you have any insight as to how to do the IAC adjustments like in the video but with a DBW throttle body? Would I adjust the Pedal position/throttle position graph? I have to hold my foot on the gas slightly for quite a while before the engine can idle on its own (30 seconds or a minute). It won't start up without giving it 20% throttle and if I let go right after firing it dies, I can't adjust the hold and decay times because it never does them...
I dont have any experience with DBW yet on holleys EFI. I did mess around with it using HP Tuners. With DBW you have to adjust how much air it is seeing coming into the motor. I think thats controlled by a table somewhere in fueling. If you figure it out please share so i can get the information out there!!
I need this info!!!
@@NixcsOutdoors So i somewhat figured out my issues with IAC, lots og gobble-dee-gook with the electric throttle body.
You have to adjust the Pedal vs. Throttle position graph such that the pedal position of 0 is enough to let the engine idle. I changed my 0% pedal position to 6% throttle open and the engine actually starts up and idles. Start with 0 and bump the value up 1 point until it starts up and actually idles. Change your IAC park position to 0 while doing this so that the TB operates strictly on the pedal/throttle graph; once you find the value that lets the engine idle, change IAC park back to what it was, 60% or 55% typically. Let the engine run for a few minutes til its warm. At idle the IAC position should be between 2-9%, so go back to the pedal/throttle graph and tweak it to get that IAC position. ENGINE SHOULD BE WARM BEFORE ADJUSTING FOR CORRECT IAC IDLE POSITION.
IAC hold i would make 2 seconds at 600RPM above idle, decay time to 2.5 seconds, and 800RPM above idle to regain idle control.
Hope some of this helps, the forums and other online research were VERY UNHELPFUL to figuring out DBW EFI parameters, and I'm not trying to spend $600 on a tune if all thats involved is some trial/error and thinking. Cheers
@@rustysausage69 dude you’re a life saver! I’ve got everything idling but my tps never goes below 15 and my IAC is just screwed in general so I was trying to figure out where to go to figure it all out.
@@NixcsOutdoors No problem man, they sure don't make this stuff easy