Iac - Ranger-Forums - The Ultimate Ford Ranger Resource


4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

Reply
 
LinkBack Thread Tools Search this Thread
  #1  
Old 08-30-2006
RockysFord's Avatar
Member
Thread Starter
 
Join Date: May 2005
Location: Columbus Ohio
Posts: 2,782
Iac

just double checking with you guys, but sometimes when i put my truck in park it stalls....most of the time it drops down to like 500 rpms and goes back up but its been stalling lately....or going from D to R it drops down / shuts off....after searching everyone said IAC....

Well i called ford and they needed the last 8 of the vin because they are "all different" which i didnt think they were, but 67$ for a new one, but i have to order it....

He said he can sell me one for the 4.0 but if its not the right one im stuck with it....

So i was just double checking that

1) You think its the IAC
2) how do i know its the right one for my truck, arnt they all the same for the 4.0?


Rocky
Reply With Quote
  #2  
Old 08-30-2006
RockysFord's Avatar
Member
Thread Starter
 
Join Date: May 2005
Location: Columbus Ohio
Posts: 2,782
TTT can anyone give me some input on if they are the same, or when i go to buy it how i know if its the right one?

Rocky
Reply With Quote
  #3  
Old 08-30-2006
CAW's Avatar
CAW CAW is offline
Member
 
Join Date: Apr 2005
Location: southern indiana
Posts: 137
I would see if i could get a new one at autozone, Oreiley ect.. They would probably be cheaper there. Also, do you have problems at low rpms in all gears or just in park? When my iac went bad it felt like it was going to stall at low rpms all the time.
Reply With Quote
  #4  
Old 08-30-2006
RockysFord's Avatar
Member
Thread Starter
 
Join Date: May 2005
Location: Columbus Ohio
Posts: 2,782
at idle it feels like its missing sometimes, but it has new plugs / wires..... When my ac / heater owuld be on it would drop down everytime the compressor would kick on...had to reset the computer....

When going from R to D or D to R it would drop down...today it kept shutting off when putting it in park...

Rocky
Reply With Quote
  #5  
Old 08-30-2006
zabeard's Avatar
who?
iTrader: (8)
 
Join Date: Nov 2004
Location: IN
Posts: 26,045
did u try cleaning it first? 67 sounds about right.
Reply With Quote
  #6  
Old 08-30-2006
CAW's Avatar
CAW CAW is offline
Member
 
Join Date: Apr 2005
Location: southern indiana
Posts: 137
It does sound like it may be the iac. I would take it off and see if there is a bunch of crud in there. If so you can clean it like zabeard said. When i was having trouble with mine i just got a new one because my truck lots of miles on it.
Reply With Quote
  #7  
Old 08-30-2006
zabeard's Avatar
who?
iTrader: (8)
 
Join Date: Nov 2004
Location: IN
Posts: 26,045
also take your old one off it should have a part number on it
Reply With Quote
  #8  
Old 08-30-2006
Member
 
Join Date: Aug 2004
Posts: 688
I just went to the dealer and asked for an IAC for an 01 4.0 SOHC
Reply With Quote
  #9  
Old 08-30-2006
n3elz's Avatar
RF Veteran
 
Join Date: Jun 2004
Location: Kennett Square, PA
Posts: 10,620
Here's my take:

1. Try cleaning the IAC valve. Particularly if you use an oil-wetted filter. It becomes gum down the line sometimes.

2. If cleaning doesn't work, then disconnect your MAF with the truck turned off. Start the truck and let it idle and see what happens. If it idles well, clean your MAF and if that doesn't help, replace it.

3. If that doesn't work, then disconnect the battery for 20 minutes. Reconnect it and let the truck "learn" to idle smoothly again.

If none of these things correct it you can look for a vaccum leak and the IAC is a potential culprit. Other things are possible, but not as likely.
Reply With Quote
  #10  
Old 08-30-2006
Shalafi49's Avatar
Member
 
Join Date: Jun 2004
Location: Altamonte Springs FL
Posts: 2,070
Had the same prob. I cleaned it out but that was a bandaid that worked about 2 weeks. It was shot. IIRC it was only like $60 at Autozone and 5 minutes of work that even my clumsy *** did.
Reply With Quote
  #11  
Old 08-30-2006
RockysFord's Avatar
Member
Thread Starter
 
Join Date: May 2005
Location: Columbus Ohio
Posts: 2,782
Well i dont feel like cleaning it because if its bad its going to do the same thing later, i would rather just buy a new part....

I dont have an oiled filter.....

And i tried the "relearn" process.......which took out the idle droppage when the ac/heat was on.....but still, when you put it in park or go from R to D or D to R it drops down / shuts off

Rocky
Reply With Quote
  #12  
Old 08-30-2006
n3elz's Avatar
RF Veteran
 
Join Date: Jun 2004
Location: Kennett Square, PA
Posts: 10,620
Did you try the MAF test?
Reply With Quote
  #13  
Old 08-30-2006
RockysFord's Avatar
Member
Thread Starter
 
Join Date: May 2005
Location: Columbus Ohio
Posts: 2,782
No not yet, i just woke up....its time to go to work now, so when i get home in the morning i will try it..

Rocky
Reply With Quote
  #14  
Old 09-01-2006
RockysFord's Avatar
Member
Thread Starter
 
Join Date: May 2005
Location: Columbus Ohio
Posts: 2,782
TTT.........I did the MAF test and it wouldnt run without it.....so thats out....unplug the IAC and it wont start...unplug the TPS and it will run fine until you hit the gas..... I talked to a guy i know who works on cars and he said its something in my transmission (some lock thingy) cant remember what he called it.....which i dont think it has ANYTHING to do with the tranny......if i go from D to R the idles drop down and raise back up.....today i went from D to R to back up in the grass to unload a pile of wood and it stalled in the middle of the F'in road! Put it in park and it dies.......its seriously p!ssin me off....

Rocky
Reply With Quote
  #15  
Old 09-01-2006
RockysFord's Avatar
Member
Thread Starter
 
Join Date: May 2005
Location: Columbus Ohio
Posts: 2,782
No one has the IAC, i have to order it....And theres no point in replacing it, if it isnt broke.....So what are some other tests that i can do?

I really dont think it has anything to do with the tranny....

My freakin remote start isnt working right...so i need to take that in to get fixed again, my 4 wheeler still shuts off after 15 min of hard riding so that is pissing me off....I just got off work at 8:30 am, i need to go to bed before i kill someone....

Rocky
Reply With Quote
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
Cleaning the IAC valve??? Jeremy102579 2.9L & 3.0L V6 Tech 2 04-02-2007 09:45 AM
a new iac valve, and now a whine???? erock 4.0L OHV & SOHC V6 Tech 5 12-17-2006 09:19 PM
IAC Valve question bryanjints 4.0L OHV & SOHC V6 Tech 5 07-10-2006 06:12 PM
IAC Valve DangaRanger99 General Ford Ranger Discussion 19 06-26-2006 10:25 AM


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -6. The time now is 01:28 AM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.