Renix vs HO IAC

[DirtyComanche]

I have a bunch of random unknown source IACs around.   Looking on RockAuto the Renix and HO carry a different P/N.  Any idea if there is a functional difference or not?

[DirtyComanche]

I think the depth of the plunger is different.

 

Going to buy an actual HO one tomorrow to check.

[cruiser54]

6 hours ago, DirtyComanche said:

I think the depth of the plunger is different.

 

Going to buy an actual HO one tomorrow to check.

I've got a box of them. They're different. Save your money.

[DirtyComanche]

7 hours ago, cruiser54 said:

I've got a box of them. They're different. Save your money.

 

But is the plunger longer?  Or is the tip/seat larger?

 

I finally put plates back on my XJ, and it's idling at a bristling 1200RPM.   When I pulled the IAC it was extended (probably) the whole way, much farther than I have ever seen one, to the point the sheath around the plunger was loose because the spring inside had completely slackened.  This is with a HO TB and intake on a Renix, and I thought I used a HO IAC but it looks the same as all the other ones I have, leading me to believe it is a Renix one and that I need the HO one for it to actually be able to seal the idle air passage.

 

The only place that had one in stock wanted $93 for it, which was actually fairly close to the dealer price of $130.  So I'm going to probably just order one off Rockauto for much less, or maybe run to the junkyard today.

[DirtyComanche]

Junkyard had a few.  $10 for 2, and I think one is OEM.  It now idles correctly.

 

The tip/seat is larger.  It looks like if you use the renix one it's too small and misses the seat in the idle air passage.

 

Now to sort out what is wrong with the transmission shifter.