Broken temperature gauge? - JeepForum.com
 
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post #1 of 5 Old 07-18-2013, 02:03 PM Thread Starter
Eric95
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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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post #2 of 5 Old 07-21-2013, 12:22 AM
xrunndonex
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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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post #3 of 5 Old 07-22-2013, 02:07 PM Thread Starter
Eric95
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Join Date: Jul 2013
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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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post #4 of 5 Old 07-22-2013, 04:15 PM
WhiteMtnJeep
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Chances are the sensor is bad. It's not uncommon for them to go bad.

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post #5 of 5 Old 08-08-2013, 11:48 AM Thread Starter
Eric95
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1988 XJ Cherokee 
 
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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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