12.36 MPG Help - Page 2 - JeepForum.com

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post #16 of 20 Old 02-12-2013, 12:05 PM
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1992 YJ Wrangler 
Join Date: Mar 2012
Location: imperial
Posts: 1,046
Driveing habbits effect it too.. Like keeping the rpms under 2300
Its normaly at about 17.6 with combined driving. One thing iv learned all wranglers are a little bit difernt lol.

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post #17 of 20 Old 02-12-2013, 12:30 PM
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1994 YJ Wrangler 
Join Date: Dec 2011
Location: Navarre
Posts: 849
You said earlier that you changed the temp switch at the thermostat housing....are you sure your getting a good reading at the gauge? I see yours are not stock but what my gauge reads and what my temp gun reads at the back of the block (which is where that reading is coming from) are always different....just saying you could be chasing the wrong problem

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post #18 of 20 Old 02-23-2013, 10:10 AM Thread Starter
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1992 YJ Wrangler 
Join Date: Jul 2009
Location: Ringgold
Posts: 1,339
My quandry still exists. The gauge does move as the jeep warms up. Sometimes the jeep will ramp up to 200 deg F on the gauge. As soon as the jeep moves it is back at 160 deg F. I wish there was a way I could confirm we were in open or closed loop. I wish it would flash a code or something.

I have done so much with so little for so long, I can do anything with nothing forever.

Charlie Lamar
Ringgold, GA
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post #19 of 20 Old 02-23-2013, 11:26 AM
Web Wheeler
1989 YJ Wrangler 
Join Date: Apr 2008
Location: Detroit
Posts: 22,530
Read the temp in the radiator like I said. It doesn't matter what the gauge reads. If you see the temp swing.
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post #20 of 20 Old 04-21-2013, 10:44 PM
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1998 ZJ 
Join Date: Mar 2013
Location: St Paul
Posts: 703
Originally Posted by ratmonkey View Post
Fail safe thermostats suck.
Get a stant or oem.
Ditto x 1,000,000

I put one of these in and it "fail safed" instantly while I was burping the air out of the system. Stuck open permanantly.
StPaul59 is online now  

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