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Unread 07-18-2013, 03:03 PM   #1
Eric95
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1988 XJ Cherokee 
 
Join Date: Jul 2013
Location: Burnaby, BC
Posts: 3
Broken temperature gauge?

Just to start, my girlfriend and I bought a 1988 jeep cherokee a couple weeks back so it's fairly new to me. The other day I had to make a fairly long drive and I was unaware that the coolant had gotten low. Low being none at all. Yes, stupid me. Forgot to check the fluids and such. Well it was a hot day and I had run it fairly hard. Of course not knowing that the coolant is low, I use it for the rest of the day and everything goes as it should. The next morning I had to get up earlyish and head out. Tried to start it and it wouldn't catch. It turns over but doesn't catch. So that's when I finally looked and saw that the reservoir for coolant was bone dry. I put some water in it ad tried to start it again. It still didn't work too well. I looked in at the temperature gauge and it was maxed out right to the little screw. It goes right up every time I try to start it. Looking around I think it may be the coolant sensor or temperature sensor that needs to be reset and I have no clue how that works. Now, I'm just wondering if that is the problem, and if so, how it can be fixed without being hauled to a mechanic. If not, what might it be?

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Unread 07-21-2013, 01:22 AM   #2
xrunndonex
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1994 ZJ 
 
Join Date: Dec 2012
Location: coffeyville, Kansas
Posts: 1,769
Quote:
Originally Posted by Eric95 View Post
Just to start, my girlfriend and I bought a 1988 jeep cherokee a couple weeks back so it's fairly new to me. The other day I had to make a fairly long drive and I was unaware that the coolant had gotten low. Low being none at all. Yes, stupid me. Forgot to check the fluids and such. Well it was a hot day and I had run it fairly hard. Of course not knowing that the coolant is low, I use it for the rest of the day and everything goes as it should. The next morning I had to get up earlyish and head out. Tried to start it and it wouldn't catch. It turns over but doesn't catch. So that's when I finally looked and saw that the reservoir for coolant was bone dry. I put some water in it ad tried to start it again. It still didn't work too well. I looked in at the temperature gauge and it was maxed out right to the little screw. It goes right up every time I try to start it. Looking around I think it may be the coolant sensor or temperature sensor that needs to be reset and I have no clue how that works. Now, I'm just wondering if that is the problem, and if so, how it can be fixed without being hauled to a mechanic. If not, what might it be?
Pull the battery for a couple minutes and rehook it up. That'll reset the computer but it may of destroyed the block is there coolent in the radiator? if it was over heated for that long you'd know
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Unread 07-22-2013, 03:07 PM   #3
Eric95
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1988 XJ Cherokee 
 
Join Date: Jul 2013
Location: Burnaby, BC
Posts: 3
Did the battery thing and it didn't work, verified that yes I had coolant but not as much as I needed. Gauge goes to max as soon as I turn the key. Didn't get overheated long
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Unread 07-22-2013, 05:15 PM   #4
WhiteMtnJeep
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2003 TJ Wrangler 
 
Join Date: Aug 2008
Location: Lakeside, Arizona
Posts: 3,431
Chances are the sensor is bad. It's not uncommon for them to go bad.
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Unread 08-08-2013, 12:48 PM   #5
Eric95
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1988 XJ Cherokee 
 
Join Date: Jul 2013
Location: Burnaby, BC
Posts: 3
Heh, nevermind about the temperature gauge. It ended up being the fuel pump. Totally unrelated to the temperature gauge. Got that all fixed and it works like a charm.
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