can the cold do this ? - JeepForum.com
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post #1 of 22 Old 01-07-2014, 09:49 PM Thread Starter
cody413
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can the cold do this ?

Hey y'all it's been pretty cold here in Florida ( tell im a Floridian) it hit like 40 last night. AD when I got in my 92 Jeep Wrangler 2.5 this morning states up like normal. But when I got about 100ft down the road in second gear I noticed it was running like ****. It would sputter at 1200 1300 rmp. Once I let it run for a couple of mins it cleared up. I had a similar problem before but it was either my TPS or my temp sensor (both changed at once ) and it clustering right up. Also did the 5.0 injectors as well made a difference. Idk if the cold would the cold would make it run like that but it's not as cold as up north.any help would be appreciated

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post #2 of 22 Old 01-07-2014, 09:57 PM
jokerchief462
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Yes even fuel injection takes a minute or two to run smooth in the cold. My F150 dies it my YJ does it here in Vegas when we get into the thirties overnight.

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post #3 of 22 Old 01-07-2014, 11:44 PM
fratis
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I know how crappy that can be. I think it actually got down into the mid 60s here last night.

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post #4 of 22 Old 01-08-2014, 12:31 AM
Gage56
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Originally Posted by fratis View Post
I know how crappy that can be. I think it actually got down into the mid 60s here last night.
oh you poor people i dont know what i would do if the temps ever got that low around here




and to think last night it was -6 deg

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post #5 of 22 Old 01-08-2014, 03:47 AM
OldSkull75
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It's been so cold here in Kentucky that my jeeps doors actually froze shut Inside my closed a garage. I pulled the half door open and ripped the weather seal right off the door lol.
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post #6 of 22 Old 01-08-2014, 04:47 AM
superj
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we had "feels like" 27 according to the weather channel. my jeep starts right up though, perfectly. carbs are good for that, its the running well after it starts that takes a while in the cold. about 7 or 8 minutes of driving and it acts normal but if you try to take off quickly in those first 7 or so minutes, it bucks and kicks like crazy

I don't feel like working on anything at this time so i sold my yj.
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post #7 of 22 Old 01-08-2014, 05:39 AM
EABiker
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Many southern states do not get the same winter blend gas that the northern folks get, so when it does get cold, the gas will not vaporize as easily as usual in a cold engine.
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post #8 of 22 Old 01-08-2014, 06:42 AM
Que89YJ
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-16 yesterday morning. Look at you intake air temp sensor.
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post #9 of 22 Old 01-08-2014, 06:56 AM
Peety
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I wold think that in Fl. the temperature of the plugs would lean more towards the "Hot" end of the scale because of the higher median temps found throughout the year. This would absolutely cause some runability issues, at least during warm up.
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post #10 of 22 Old 01-08-2014, 08:27 AM Thread Starter
cody413
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So this is normal ? I just changed both temp sensors not long ago
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post #11 of 22 Old 01-08-2014, 08:45 AM
Que89YJ
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No, then I really doubt it. Check your codes and post back. I believe the problem is air fuel but there are a few possibilities.
http://www.jeepforum.com/forum/f12/h...codes-1257145/
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post #12 of 22 Old 01-08-2014, 08:46 AM
laybackman
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Originally Posted by cody413 View Post
So this is normal ? I just changed both temp sensors not long ago
If this issue goes away when the air temp. does warm up EABiker probably hit the nail on the head.

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post #13 of 22 Old 01-08-2014, 09:22 AM Thread Starter
cody413
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I had to go to the store and I let it start and sit for like 5 min and didn't have a problem. And it's still 50 degrees. Think she just needed to get a lil warmed up first
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post #14 of 22 Old 01-08-2014, 09:33 AM
Que89YJ
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Check your codes.
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post #15 of 22 Old 01-08-2014, 11:47 AM
Mambo_Dave
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All I can say is - my timing for putting in a new thermostat into the new-to-me YJ (that didn't have one in it) couldn't have been more timely with this cold weather. It was like one day before the cold came

Still don't have any heat in it - heater core isn't hooked up either... but for the health of the engine I'm so glad I took the time to put a thermostat in it.
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