1999 Ford Explorer temp. Gauge issue

Tiny
FIREMAN2005_CS
  • MEMBER
  • 1999 FORD EXPLORER
  • 4.0L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 158,611 MILES
The other day the thermostat housing froze and busted on my vehicle and I replaced the housing and the sensors now the heat gauge doesn't work when the vehicle is in operation but when you cut it off it shows the proper temp. Note: it was working properly before the housing busted.
Sunday, January 11th, 2015 AT 1:41 PM

7 Replies

Tiny
HOMER1967
  • MECHANIC
  • 875 POSTS
It sounds like the new sensor may be wrong. Double check the part number and location for the temp sensor.
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Sunday, January 11th, 2015 AT 1:57 PM
Tiny
FIREMAN2005_CS
  • MEMBER
  • 4 POSTS
It is the correct one and in the right location
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Sunday, January 11th, 2015 AT 6:36 PM
Tiny
HOMER1967
  • MECHANIC
  • 875 POSTS
Is the connection good, no loose plugs or bare wires?
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Monday, January 12th, 2015 AT 2:57 PM
Tiny
FIREMAN2005_CS
  • MEMBER
  • 4 POSTS
All the connections are good and as far as I can tell no bare wires everything is in wire loom
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Tuesday, January 13th, 2015 AT 3:41 AM
Tiny
HOMER1967
  • MECHANIC
  • 875 POSTS
Is the old sensor intact? I would try putting the old one back in and see if anything changes.I still think this is a sensor issue.
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Tuesday, January 13th, 2015 AT 3:07 PM
Tiny
FIREMAN2005_CS
  • MEMBER
  • 4 POSTS
Crazy thing is it stated with the old one and still having the same problem
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Friday, January 16th, 2015 AT 4:07 AM
Tiny
HOMER1967
  • MECHANIC
  • 875 POSTS
You may very well have a faulty cluster. That would require some very specific testing and equipment to determine.
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Sunday, January 18th, 2015 AT 4:54 PM

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