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How to clean your idle air control valve
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04-19-2009, 09:14 PM
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#1 | |
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Registered User
1997 XJ Cherokee
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How to clean your idle air control valve
I figured I'd write up a how to for anyones future reference in attempt to prevent a ton of posts about this (but we all know how the search feature is not utilized, haha). Anyways, the jeep was idling a little rough and at times it would start up at 2200 rpms and slowly settle down so a few had recommended me to change or clean my IAC (idle air control valve). Figured I would clean it first.
Step one: Buy a throttle body cleaner or carburetor cleaner to clean with. Carb cleaner will be much much stronger so I went with throttle body cleaner. I didn't want to ruin anything.  Step Two: Remove the intake tube and reveal the throttle body. Step Three: DISCONNECT THE BATTERY! Step Four: Locate the IAC. In my case with my 5.2L V8 ZJ, its on the back of the throttle body. Remove the two bolts and it will come out.  Step Five: Disconnect the IAC from the power connector. This is how dirty mine was!  Step Six: Spray, wipe, spray wipe til clean. And here it is!  You can from here continue to clean out your throttle body. I would recommend this. My jeep idles like butter now!
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1997 Jeep Cherokee, 4.0L, 30x9.50 Maxxis Bighorns, d-window wheels, cut fenders, chopped bumpers, flex-a-lite, flowmaster super 44 2003 Grand Cherokee Overland, 4.7L HO V8, 6000K HID's - SOLD IT 1996 Grand Cherokee Laredo, 5.2L V8, 3" Kolak exhaust w/ flowmaster 50 and magnaflow cat, K&N FIPK, 4300K HID's - SOLD IT My build thread http://www.myspace.com/HaleyChicoine http://www.facebook.com/home.php#/profile.php?id=1646857227&ref=profile |
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04-19-2009, 10:43 PM
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#2 |
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Original GC'er
 
1993 ZJ
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electric tooth brush, Classy
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1993 Jeep Grand Cherokee Limited 4.0L I6 - OME Springs - 30"x9.5" Yokohamma's A/T-S -RE Shocks - JKS Quicker Disconnects - FM70 - E-Fan Conversion - 249->242 Swap - 1970 Jeepster Commando 225 V6 32"x11.5" BFG A/T 4" Lift 1987 Suzuki LT230S Quadsport 1996 Artic Cat ZR580 EFI 2005 Honda TRX450R "For every one thing I fix two things break" |
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04-19-2009, 10:45 PM
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#3 |
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Registered User
1997 XJ Cherokee
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Its not an electric tooth brush! Its a SonicStage Detail brush! Lol....ok, technically its a tooth brush. I bought it for my wheels, because thats what lazy people do. But i've found some interesting uses around the jeep since, lol.
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1997 Jeep Cherokee, 4.0L, 30x9.50 Maxxis Bighorns, d-window wheels, cut fenders, chopped bumpers, flex-a-lite, flowmaster super 44 2003 Grand Cherokee Overland, 4.7L HO V8, 6000K HID's - SOLD IT 1996 Grand Cherokee Laredo, 5.2L V8, 3" Kolak exhaust w/ flowmaster 50 and magnaflow cat, K&N FIPK, 4300K HID's - SOLD IT My build thread http://www.myspace.com/HaleyChicoine http://www.facebook.com/home.php#/profile.php?id=1646857227&ref=profile |
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04-20-2009, 02:03 AM
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#4 |
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Registered User
1930 J-Series Truck
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Good write up. Thanks
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04-21-2009, 10:03 AM
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#5 |
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Registered User
1975 CJ5
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Like Butter
Thank you Linda Richman Same location on the L6?
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'75 CJ5 ---Chevy HP 350 motor-- All Fiberglas---one piece tilt forward nose 1985 chevy stepside pickup, 300K on the clock: Original Owner 1989 Volvo 240 300K on the clock: Original Owner the 1991 X is my newbie with 331K on the clock: bought OCT.'03 with 183K http://home.lyse.net/brox/TonyPage4.html |
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04-21-2009, 10:20 AM
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#6 |
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Registered User
1998 ZJ
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One thing you might want to mention in your writeup is to make sure not to push or pull on the pintle, and to avoid spinning it. Other than that, nice writeup!
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04-21-2009, 10:22 AM
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#7 |
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Registered User
1975 CJ5
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Doesn't it work like a solenoid? It would move in and out as required. I thought anyway
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'75 CJ5 ---Chevy HP 350 motor-- All Fiberglas---one piece tilt forward nose 1985 chevy stepside pickup, 300K on the clock: Original Owner 1989 Volvo 240 300K on the clock: Original Owner the 1991 X is my newbie with 331K on the clock: bought OCT.'03 with 183K http://home.lyse.net/brox/TonyPage4.html |
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04-21-2009, 10:44 AM
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#8 |
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Registered User
1998 ZJ
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Yeah, but if you push/pull on it you'll break it.
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04-21-2009, 10:47 AM
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#9 |
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Registered User
1994 ZJ
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good write up man...thanks!
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3.5 BDS, Rancho 9000xl shocks, 31x10.5x15 BFG A/Ts, KOR lower rad support, JKS quicker discos, Hella 500s, 3" magnaflow exhaust, KOR-alike Roof Rack, IRO tie rod...bunch of other stupid crap. Greatest Thing You've Ever Seen |
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04-21-2009, 11:05 AM
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#10 | |
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Registered User
2000 WJ
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Quote:
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Im 20 with a 2000 Grand SOLD! 4" Zone Offroad Kit, 16x7 Cragar Soft 8's, 265/75/16 Maxxis Bighorns, Rock-It Sliders, Rancho SS, Yakima Load Warrior, Flowmaster Super 40, Reverse Lights, 2 Lights Up Front, Custom 6 Switch Plate, Cobra 76 XTR CB with PA, Lightbar, Custom Hitch Tire Carrier, Fleabay Warm Air Intake |
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04-21-2009, 11:08 AM
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#11 | |
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Registered User
1994 ZJ
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Quote:
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3.5 BDS, Rancho 9000xl shocks, 31x10.5x15 BFG A/Ts, KOR lower rad support, JKS quicker discos, Hella 500s, 3" magnaflow exhaust, KOR-alike Roof Rack, IRO tie rod...bunch of other stupid crap. Greatest Thing You've Ever Seen |
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04-21-2009, 12:01 PM
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#12 |
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Belief In All Things Jeep
1995 ZJ
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You should clean the hole in TB too. Where the plunger mates.
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04-21-2009, 05:54 PM
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#13 | |
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Registered User
1996 ZJ
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hey mine doesnt have a shaft it just has a spring. Is this normal?
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1996 5.2 orvis: 6" lift, 33x12.50's, 8.8 rear, t-case skid, gas tank skid, 242 Quote:
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04-21-2009, 07:13 PM
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#14 | |
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Registered User
1997 ZJ
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Quote:
Uhmmmm.... NO! The plunger is probably still in the hole... Time for a new IAC
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97 ZJ, 4.0, 2WD, 3.73s. |
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04-21-2009, 07:28 PM
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#15 | |
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Registered User
1996 ZJ
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i replaced it and it works. Still dies in reverse tho.
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1996 5.2 orvis: 6" lift, 33x12.50's, 8.8 rear, t-case skid, gas tank skid, 242 Quote:
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