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Old 02-29-2012, 12:42 PM   #1
alohagirl75's Avatar
Join Date: Feb 2012
Location: Washington
Posts: 15
Jeep does not like the cold!!!!!

Ok, so please dont yell at me if there is a thread on this forum about this topic. I have spent alot of time looking for this, and being a full time working mom I just do not have more time at this point to look. Am I freaking out for nothing how LONG it takes to warm up my jeep? I have not had a manual for over 14 years now, but the last two weeks, with our temp. going from around 60 to down to 30 yesterday, I cannot believe I had to wait 5-10 min for it to warm up. On my sunny days, bam no problem, give it a few minutes off I go, but since It has been so cold, it will not idle on its own in neutral with out quitting. Frustrated and thankful I was not in a hurry. I do realize I have to slow my life down with my new baby and thats ok cuz I need it. And I LOVE IT! Any help would be great.

Still learning my new life.......

2003 TJ

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Old 02-29-2012, 12:48 PM   #2
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Join Date: Sep 2010
Location: Denver, CO
Posts: 4,406
Taking the cold part out and just going with non idle...i'd lean towards cleaning your IAC or "Idle Air Controller"

its located in the throttle body...just get some throttle body cleaner, remove the tb, remove the iac, and clean everything up...put it all back together and see what happens.

btw...30 is not cold lol

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Old 02-29-2012, 01:51 PM   #3
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Location: San Diego
Posts: 1,924
Yup, IAC. If its acting up, it will probably be worse in the cold.
my 06 LJ rubicon
2.5" SL, 1" BL, DIY highline, 35s with double beadlocks.
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Old 02-29-2012, 03:59 PM   #4
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Location: Youngstown, New York
Posts: 513
30 is quite pleasant for Winter here and 5-10 minutes to warm up is about average this time of year. But like these guys said, the IAC is a good culprit to blame and quite easy to clean and/or replace.
'12 Black Sport JK
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Old 02-29-2012, 06:12 PM   #5
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I would try the IAC first as suggested above. Also if your engine thermostat is old the engine can take a long time to warm up, over time thermostats can get lazy. This will not fix your idle problem, but could improve the time-to-heat-up problem. Personally I try to change my thermostats every three to four years at the most because I live in New England and like it when my vehicle warms up quickly
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Old 06-20-2012, 07:55 PM   #6
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Join Date: Feb 2012
Location: Washington
Posts: 15
It was the TPS sensor! Its fixed and runs GREAT!! No warming up either! OH SO HAPPY!

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