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66-96 Ford Broncos - Early & Full Size
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temperature guage reading overheating but not hot at all

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my 1986 ford bronco 2 has issues with my temperature gauge its reading like its overheating but it its lts not

 

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Hi Tavar., welcome..!!

You can try replacing your sending unit on the engine. They can get dirty, leak &/or just plain fail.

       However, how are you determining that it is, in fact, not overheating..?

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Well..., that's not a real good way.  Normal eng. temps are 180-190 deg. Trying to touch anything

under there (eng., radiator, etc) would cause one to yank their hand back reeeeeal quick..., let

alone an over heated engine.

 

Harbor Fright has a (+-$20) lazer temp reader that comes in handy all over the house & garage.

 

BTW., is the temp needle pegged or just reading high (i.e. somewhere above normal) ..?

A high reading often indicates a falty thermostat.

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Then it is likely the sender.., or a dead short in the sender wire.

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Yo,

 

As Bob suggested;

 

Testing; "...Pull the R/Wh wire straight off the sender & ground it to the block, intake, or head. Then turn the key to RUN. If the needle pegs, replace the sender. If not, diagnose the circuit.

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