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Unread 05-14-2012, 08:32 AM   #1
NewLibertyGuy
Registered User
2003 KJ Liberty 
 
Join Date: May 2012
Location: Dallas, Tx
Posts: 2
Help! Jeep WON'T START during hot weather

For some reason, my Jeep will not start when the weather is hot

When I turn the key, it only clicks! I replaced the battery recently but that didn't seem to be the issue as I've even used jumper cables and nothing. Once the weather cools, it does start. It may click once and then start or start right off the back.

I pulled the codes (by turning the key 3 times) and I got codes 201, 300, 301, 302, 303, 306. Any ideas?

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Unread 05-14-2012, 09:20 AM   #2
forcrz6
Registered User
2008 JK Wrangler 
 
Join Date: Dec 2011
Location: Buffalo, NY
Posts: 115
Quote:
Originally Posted by NewLibertyGuy View Post
For some reason, my Jeep will not start when the weather is hot

When I turn the key, it only clicks! I replaced the battery recently but that didn't seem to be the issue as I've even used jumper cables and nothing. Once the weather cools, it does start. It may click once and then start or start right off the back.

I pulled the codes (by turning the key 3 times) and I got codes 201, 300, 301, 302, 303, 306. Any ideas?
I had this issue once too. Fixed it by putting on new + and - Batt cables. Seems like when the heat expands the cables there is not enough voltage to do anything. But when not drawing the volts everything comes on. Try putting on new + and - Batt cables
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Unread 05-14-2012, 10:16 AM   #3
NewLibertyGuy
Registered User
2003 KJ Liberty 
 
Join Date: May 2012
Location: Dallas, Tx
Posts: 2
Holly Mother of Limited Edition Jeeps!!!

Quote:
Originally Posted by forcrz6 View Post
I had this issue once too. Fixed it by putting on new + and - Batt cables. Seems like when the heat expands the cables there is not enough voltage to do anything. But when not drawing the volts everything comes on. Try putting on new + and - Batt cables
It never even crossed my mind to do this .. I checked every other fuse, relay and cable, since they looked ok, it didn't occur to me ...... ... You think this is why even if I have jumpers on the battery and try to get a spark by touching them (yes I know not the best idea) I don't get anything??? My friend touched the + and - terminal by accident and we got the little spark (of course) but when I did it with mine it didn't do it.
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