for access to Reviews and Discussion of the 2016 and 2017 Ford Explorer Tech Tips, How to Articles, Off-Road Modification, Events, and more!

Register Today It's free! This box will disappear once registered!

Temperature Guage...I think

Discussion in 'Stock 1995 - 2001 Explorers' started by pmaropak, May 22, 2007.

  • Searches ExplorerForum.com
    1. pmaropak

      pmaropak New Member

      Joined:
      April 25, 2007
      Messages:
      16
      Likes Received:
      0
      Trophy Points:
      0
      City, State:
      Toronto, Ontario
      Year and Model:
      1996 Eddie Bauer
      I have a problem with my temerature guage.... I think!

      My 4.0L has an intermittent problem with my temperature readings. When I start it up, sometimes the guage climbs up to H (soon to be followed by the red Check Guage Light, and the onboard computer beep "check engine temp") it takes about 5 minutes to make the climb from L to H, but it is disturbing just the same. I've replace the termperature sender (the one with the single lead, on the left hand side of the thermostat housing (when facing the firewall)) and it did not seem to have any effect. I did notice that when the lead is removed from the sender, that the guage goes down to L right away. The other temperature sensor (with 2 leads, on the right hand side) has never been replaced, could this have something to do with it??

      Also, in my seaches I read a post about a fellow with an actual guage problem, he pulled out he instrument panel cluster and cleaned all the contacts.

      Any Ideas???

      Peter
       
    2. Support EF


      Join the Elite Explorers for $20 a year

      Explorer Forum has probably saved you that much already, and will continue to save you money as you learn how to diagnose and fix problems yourself, and learn which modifications work without having to experiment on your own. Elite Explorer members see practically no ads, add your own profile photo, upload photo attachments directly to your posts and Media Gallery, create more private Conversations, and more. Join Today. Your support is greatly appreciated.



      to hide adverts.
    3. shamaal

      shamaal Well-Known Member

      Joined:
      April 25, 2005
      Messages:
      1,255
      Likes Received:
      0
      Trophy Points:
      0
      City, State:
      Friensdwood, Texas
      Year and Model:
      91 Mazda Navajo
      There are indeed two sensors on the front of the engine. One does the gauge and the other goes to the computer. I would say if the two agree, gauge and computer beep, then the problem is overheating.

      My first guess would be sticking thermostat, a search will yield much info.

      Good Luck!
       
    4. budwich

      budwich Well-Known Member

      Joined:
      May 4, 2005
      Messages:
      3,246
      Likes Received:
      0
      Trophy Points:
      0
      City, State:
      Ottawa, Ont
      Year and Model:
      96 XL
      As a test, pull the thermostat and run without one for a short time to see if you still get over heating. If not, then its the therm. If you still get overheating, it is likely a flow problem / pump problem which needs attention.
       
    5. pmaropak

      pmaropak New Member

      Joined:
      April 25, 2007
      Messages:
      16
      Likes Received:
      0
      Trophy Points:
      0
      City, State:
      Toronto, Ontario
      Year and Model:
      1996 Eddie Bauer
      I changed the thermostat and at first there was not effect. The truck was still showing hot, however from touching the hoses it was not actually hot. So I set off on a 40 minute trek and the temperature guage was pinned to HOT. Then about 10 mintues into the ride the guage moved back to normal temperature..right in the middle. I did add coolant just before I took off. Is it possible that from running low on coolant that the sensors are not imersed in coolant to accurately measure fluid temperature??

      Anyway, so far so good. It's been 2 days and I have not had the temperature guage go wonky.:thumbsup:
       
    6. budwich

      budwich Well-Known Member

      Joined:
      May 4, 2005
      Messages:
      3,246
      Likes Received:
      0
      Trophy Points:
      0
      City, State:
      Ottawa, Ont
      Year and Model:
      96 XL
      If you changed the thermostat and saw your problem thereafter, it is more likely a problem with air in the system. Potentially, it means that it needs to be "burped". A few "runs" will eventually get rid of this if it is a problem.... make sure that your overflow is filled appropriately so that the system can draw fluid in to take that airs place.

      Note: running with a new therm isn't the same as running without a therm as without you are checking that indeed the system is "free flowing" well enough to keep your truck at "cold" which is where it should be with no therm. If that doesn't happen then you have some issues not thermostat dependent. Putting in a new thermostat doesn't necessarily help testing directly as a new thermostat can be bad also. Anyways, it sounds like you solved your problem.
       
    7. pmaropak

      pmaropak New Member

      Joined:
      April 25, 2007
      Messages:
      16
      Likes Received:
      0
      Trophy Points:
      0
      City, State:
      Toronto, Ontario
      Year and Model:
      1996 Eddie Bauer

      Thanks Budwich! If I get the H temp readings again, I'll run with out a thermostat to verify the engine runs cold. So far, every problem I've had with my truck has your name in the threads that I've searched (or posted) Thanks a ton!
       

    Share This Page









    We Support Our Troops!