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IAC Valve - Hard Start on 2000 Explorer

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Old 08-26-2003, 11:36 AM   #1
opal6779
Belchertown, Ma
2000 XLT
 
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IAC Valve - Hard Start on 2000 Explorer

HELP!! I have been having this trouble with my Explorer for about 3-4 weeks now and have very little money to work with at the moment, so I don't want to take it to the shop. I was hoping someone could help me out. Here are the symptoms: Occasionally, not always, usually after the truck has been sitting overnight, I experience trouble getting it started. It sounds like it is about to turn over but then just dies. It will turn over as soon as I step on the gas but when I take my foot off the gas, the car dies again. It takes many tries to get it going. I think it might be the IAC valve? I have seen similiar problems and people have recommended cleaning or replacing this? Do you think this would help, and how do I go about cleaning it??? Is it something easy I can do myself, or should I just break down and take the truck to the shop? Please help, thanks -Jennifer
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Old 08-26-2003, 01:20 PM   #2
'96explorereddiebauer
Clemmons, NC
'06 Honda Accord EX-L
 
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I'm having the exact same problems with my '96. This stalling thing only happens when the truck has been sitting for a few hours. I'm suspecting it's my IAC too but I haven't been able to get to it because of school and stuff but I'll hopefully have that replaced this weekend since I'll be going home for Labor Day.




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Old 08-27-2003, 09:55 AM   #3
Runnin'OnEmpty
Southeast USA
2000 Sport
 
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Stalling at idle is probably caused by the IAC. They are easy to clean and also to replace. If you have a 7/16 socket, you can have it off in two minutes. You need to remove two bolts and one pull-off electrical connector. If you can pump your own gas, you can replace it.

Do a search on "cleaning the IAC" and you'll get a lot of helpful info. You can get a new one for about $70 from fastpartsnetwork.




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2000 Sport 4x2, 4.0 ohv, 5R55E w/Superior shift kit, 3.55 diff, Mazda truck alloys/BFG TAs, RoadMaster Active Suspension, EE anti-sway bar, F&R poly bushings, camber kit, Rancho shocks, Hooker Aero Chamber muffler, Medium Wedgewood Blue.....

Bought another 2000 Sport (God help me), 4.0 ohv auto, 60K actual miles, Cragar SS alloys/BFG TAs, AAL, EE anti-sway bar, Gibson cat-back, Harvest Gold, GT leather interior.
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Old 08-29-2003, 10:34 PM   #4
Rodeo Joe
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Frankin, MA
1997 XLT
 
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Ok, my '97 has had similar problems also. My wife was telling me about it but it finally happened to me a few weeks ago. The engine cranks like it wants to start but as soon as you let off the key it quits. This went on a couple of times until it started, reeked of gas too. I ran this by on another forum and was told it could be a bad MAF. It was suggested to unplug the MAF connector the next time it acts up to see if it starts right up. Now I need it to happen again.

Joe
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Old 09-02-2003, 03:03 PM   #5
endofbaker
Livingston, NJ
99 XLT
 
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I cleaned mine.

On a 99 SOHC remove the dust cover.
The IAC sits in the middle of the intake manifold.
Remove the 2 bolts and the wiring connection.
On the bottom you will see 2 chambers with a spring loaded plunger separating the two. Spray carb cleaner or gas into the two chambers. make shure the plunger between the two is open ( mine was stuck shut at first). Clean the top of the plunger and the opening with a Q-tip.
Replace and you should be fine.
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