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 Re: fast idle,,,mine's caught the disease...
[Re: goldenprospector]
#1052819
11/01/12 03:00 AM
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Joined: Jan 2012
Posts: 427
Mudrunner
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Well being in canada I have never actually seen a 3.0 v6 in a truck before let alone examined the throttle body. But from previous mitsubishis I have owned with a galant 4G63 in mind that had a crazy idle problem. It surged between idle and about 1400 to 1500 rpm.
Now this throttle body had I IAC which might actually be the same as a montero a well as what they call a wax pellit high idle. there was two coolant lines that went to the throttle body which would close a auxillary air valve as it was warmed by coolant much like how a thermostat works, and like a thermostat they can fail open giving you high idle all the time!!
Not sure if this applies to the montero but its a idea.
1989 Mighty Max 4WD 2.6 Turbo,Auto EFI...megasquirt! 4.62 Rear LSD!
1989 Mighty Max 2WD 2.6 5 speed slammed
1993 Eagle Talon TSI
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Re: fast idle,,,mine's caught the disease...
[Re: boostin]
#1052820
11/01/12 06:38 PM
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Joined: Apr 2006
Posts: 1,193
Body Damage is Cool
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Well being in canada I have never actually seen a 3.0 v6 in a truck before let alone examined the throttle body. But from previous mitsubishis I have owned with a galant 4G63 in mind that had a crazy idle problem. It surged between idle and about 1400 to 1500 rpm.
Now this throttle body had I IAC which might actually be the same as a montero a well as what they call a wax pellit high idle. there was two coolant lines that went to the throttle body which would close a auxillary air valve as it was warmed by coolant much like how a thermostat works, and like a thermostat they can fail open giving you high idle all the time!!
Not sure if this applies to the montero but its a idea. its the same on the montero 3.0 you can adjust the iac to find out if it is the problem
it dosent have to be surrounded by water to be an island
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Re: fast idle,,,mine's caught the disease...
[Re: goldenprospector]
#1052821
11/01/12 08:15 PM
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Joined: Sep 2011
Posts: 628
Rock Warrior
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I think the reason you're chasing electronics is because its not consistent. If it were a tooth off or a blown HG then I would think it would be happening all the time. And I've never heard of either condition causing a high idle, nevermind an intermittent high idle.
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Re: fast idle,,,mine's caught the disease...
[Re: geocrasher]
#1052822
11/01/12 10:53 PM
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Joined: Sep 2012
Posts: 113
Wheeler
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I would say that it idles high about 97% off the time. If that tells you anything.
1989 Dodge Raider - V6 - Manual - 4x4 - AC - 31" Tires
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Re: fast idle,,,mine's caught the disease...
[Re: KrzyDav]
#1052823
11/03/12 03:13 AM
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Joined: Mar 2003
Posts: 2,324
OP
Body Damage is Cool
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Thermostat in,,,no change!!!!ARRRGGGG!
I went all around all gaskets with T.B. cleaner to see if rpms changed, Nope.
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UNCLE!
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???Can an ICS pass all the test and still be bad???
Last edited by KrzyDav; 11/05/12 02:47 AM.
dave h.
'89 Raider V6 5spd;Aisin Hubs;; Gen2 LS: frt. brakes, rear coils;U.C.arms;R.trailing arms;idler arm; rear LSD axle w.disc brakes ;2 battery system for Dog's fan; relocated ECU; custom bumpers;J.Baker receiver;Conferr roofrack; t-bar crank.
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Re: fast idle,,,mine's caught the disease...
[Re: KrzyDav]
#1052824
11/07/12 11:21 PM
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Joined: Mar 2003
Posts: 2,324
OP
Body Damage is Cool
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Ok, edited away my griping rant of above post,,,but still have the ?question?: . can an ICS thats passes both FSM tests still be bad??? . I just noticed a thead linked near begining on Goldenprospector's thread about "wax pellet" in h20 part of Throttle Body. I'm alittle confused by the thread as I think it says T.B. have wax pellet in them, but seems to say the '89 has a thermo"spring" in it , and maybe not a wax pellet <img src="/forums/images/graemlins/confused.gif" alt="" /> I can't get the bottom off my T.B. cause the screws are oxidized in place. ??? has anybody else successfully repaired this part of an '89 throttle body???
dave h.
'89 Raider V6 5spd;Aisin Hubs;; Gen2 LS: frt. brakes, rear coils;U.C.arms;R.trailing arms;idler arm; rear LSD axle w.disc brakes ;2 battery system for Dog's fan; relocated ECU; custom bumpers;J.Baker receiver;Conferr roofrack; t-bar crank.
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Re: fast idle,,,mine's caught the disease...
[Re: KrzyDav]
#1052825
11/08/12 02:05 AM
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Joined: Jan 2001
Posts: 13,649
Web Wheeler
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Dave, as far as I know, all the gen1 v6's had the wax pellet fast idle cold start system, and I don't think it's seviceable.
If the ics has a bad pintle (the thing that seals the hole up) it will pass electrical tests fine, and still not work.
Not responsible for advice not taken...
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Re: fast idle,,,mine's caught the disease...
[Re: fasteddy]
#1052826
11/08/12 06:23 AM
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Joined: Mar 2003
Posts: 2,324
OP
Body Damage is Cool
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How do you tell if the pindle is bad. Both these ICS look almost new.
Have you checked out that old post linked near the beginning of Goldenprospector's "idle" thread?
I'd link it over onto here but I don't know how to work a computer.
On this 2000 M.S. T.B. I have stashed down in the local yard has a screw that hold the edge of the plug that contains the pellet, so I think those may be servicable. The '89 has a pressed in freezeout looking plug that doesn't look removable.
I was thinking over trying to adapt that T.B. . It's a bigger bore but bolts up and has EGR nipple.
I'm gettin despirate.
Last edited by KrzyDav; 11/08/12 10:59 PM.
dave h.
'89 Raider V6 5spd;Aisin Hubs;; Gen2 LS: frt. brakes, rear coils;U.C.arms;R.trailing arms;idler arm; rear LSD axle w.disc brakes ;2 battery system for Dog's fan; relocated ECU; custom bumpers;J.Baker receiver;Conferr roofrack; t-bar crank.
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Re: fast idle,,,mine's caught the disease...
[Re: KrzyDav]
#1052827
11/08/12 03:27 PM
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Joined: Sep 2012
Posts: 113
Wheeler
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I know how you feel Dave, I'm in the same boat. <img src="/forums/images/graemlins/confused.gif" alt="" />
Hope you get it figured out! Take care.
1989 Dodge Raider - V6 - Manual - 4x4 - AC - 31" Tires
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Re: fast idle,,,mine's caught the disease...
[Re: goldenprospector]
#1052828
02/07/13 04:43 AM
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Joined: Mar 2003
Posts: 2,324
OP
Body Damage is Cool
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"reserection", on this tthread anyway.
Feb., almost spring and the end of hibernation for both me and local lizards. Lizardwatching starts in March around these parts.
This week I installed a brand new water temp sensor , a new 195o thermostat and upper radiator hose...no change in idle - still hanging around 1600-1800.
I'm tired of screwing around with the simplest solution and so I just ordered a ICS from Rockauto.
I'm betting thats what it is and that the guts are worn out in the 2 ICS I have, even though they make clicking noise before startup and both check out OK in the ohms dept.
dave h.
'89 Raider V6 5spd;Aisin Hubs;; Gen2 LS: frt. brakes, rear coils;U.C.arms;R.trailing arms;idler arm; rear LSD axle w.disc brakes ;2 battery system for Dog's fan; relocated ECU; custom bumpers;J.Baker receiver;Conferr roofrack; t-bar crank.
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