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 Re: Misfire and hesitation 4G64 2.4L
[Re: fasteddy]
#1009998
10/08/10 02:11 PM
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Joined: May 2007
Posts: 4,628
Roll Me Over
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Thank you sir. I am full of ideas, all of which work in my head.... Some even work well in practice... Fixed it for ya Eddy <img src="/forums/images/graemlins/kewl.gif" alt="" />
Fasteddy's advice is occasionally sound...
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Re: Misfire and hesitation 4G64 2.4L UPDATE!
[Re: hazy_daze]
#1009999
10/12/10 09:57 PM
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Joined: Jan 2002
Posts: 6,134
OP
Trail Leader
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Now with new 02 sensor and completed exhaust it idles good and doesn?t misfire, it isn?t cold starting though. I have to crank on it for a while and throttle it until it starts and then i have to hold the idle up until it warms up, after that it is about perfect. LT says ISC and I agree, any thing i could be missing? What is the sensor next to the ISC on this engine? It?s not the TPS that?s on the front side.
1999 Montero SAS'd on Kings and stuff
1998 Montero trying to get a V8 Swapped
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Re: Misfire and hesitation 4G64 2.4L UPDATE!
[Re: TOASTY]
#1010000
10/13/10 12:54 AM
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Joined: Jan 2001
Posts: 13,649
Web Wheeler
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ECU CTS on the thermostate neck, probably a two wire with connectors in a tee shape.
Not responsible for advice not taken...
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Re: Misfire and hesitation 4G64 2.4L UPDATE!
[Re: fasteddy]
#1010001
10/20/10 08:07 PM
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Joined: Jan 2002
Posts: 6,134
OP
Trail Leader
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Ok now i have replaced the engine coolant sensors, the two sensors i need to replace are the idle speed motor (idle surges) and the sensor right next to it. I have no idea what that one is but if it's unplugged the truck runs perfectly other than the idle surging but if i plug it in it only allows the truck to rev to maybe 2000RPMS and then it cuts out like a rev limiter. What is this sensor called? Also the idle speed motor on this engine is different than the ones on the montero, it's got a plastic screw on the end inside the intake that opens and closes whatever valve is connected to the mystery sensor. These two things obviously work together to control idle and cold starting. Any ideas?
1999 Montero SAS'd on Kings and stuff
1998 Montero trying to get a V8 Swapped
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Re: Misfire and hesitation 4G64 2.4L UPDATE!
[Re: TOASTY]
#1010002
10/20/10 11:17 PM
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Joined: Jan 2001
Posts: 13,649
Web Wheeler
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Get me the exact year and application that motor is from and I'll find the tech stuff and noodle it out. take me a few days.
Not responsible for advice not taken...
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Re: Misfire and hesitation 4G64 2.4L UPDATE!
[Re: TOASTY]
#1010003
10/21/10 01:43 AM
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Joined: Jan 2008
Posts: 985
Rock Warrior
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Ok now i have replaced the engine coolant sensors, the two sensors i need to replace are the idle speed motor (idle surges) and the sensor right next to it. I have no idea what that one is but if it's unplugged the truck runs perfectly other than the idle surging but if i plug it in it only allows the truck to rev to maybe 2000RPMS and then it cuts out like a rev limiter. What is this sensor called? Also the idle speed motor on this engine is different than the ones on the montero, it's got a plastic screw on the end inside the intake that opens and closes whatever valve is connected to the mystery sensor. These two things obviously work together to control idle and cold starting. Any ideas? I've got all this stuff off of a 91 4g64 out of a truck...... let me know if you want it.
--keRby
Ad Inexplorta
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Re: Misfire and hesitation 4G64 2.4L UPDATE!
[Re: 1986powerram50]
#1010004
10/21/10 07:42 AM
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Joined: Jan 2002
Posts: 6,134
OP
Trail Leader
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The model is i think 1993 mighty max 2wd 4g64 federal I do want that stuff <img src="/forums/images/graemlins/smile.gif" alt="" /> Let me know what you want for the electrical parts, I?ll probably want most of them for spares. I?ll take pictures of my parts and post up part numbers so we can make sure yours match up to mine.
1999 Montero SAS'd on Kings and stuff
1998 Montero trying to get a V8 Swapped
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Re: Misfire and hesitation 4G64 2.4L UPDATE!
[Re: TOASTY]
#1010005
10/21/10 03:59 PM
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Joined: May 2007
Posts: 4,628
Roll Me Over
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I?ll take pictures of my parts and post up Will the Wire allow that??? <img src="/forums/images/graemlins/ignore.gif" alt="" />
Fasteddy's advice is occasionally sound...
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Re: Misfire and hesitation 4G64 2.4L UPDATE!
[Re: hazy_daze]
#1010006
10/21/10 05:58 PM
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Joined: Jan 2002
Posts: 6,134
OP
Trail Leader
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I?ll take pictures of my parts and post up Will the Wire allow that??? <img src="/forums/images/graemlins/ignore.gif" alt="" /> Ebay doesn?t, I tried to sell a testicle on there once but they deleted my ad after a couple days. Should be fine here though because i?m talking truck parts.
1999 Montero SAS'd on Kings and stuff
1998 Montero trying to get a V8 Swapped
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Re: Misfire and hesitation 4G64 2.4L UPDATE!
[Re: TOASTY]
#1010007
10/22/10 06:44 PM
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Joined: Jan 2001
Posts: 13,649
Web Wheeler
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I've seen truknutz on here, and if it's good enough for a truck...
I can't find wiring diagrams for the eci for that truck. Got any, or a linky?
Not responsible for advice not taken...
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