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George Burda's Avatar
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07-20-02, 09:01 AM   #1  
George Burda

1989-Ford Tempo-2.3 litier.
What are the two sensors on the housing, and their funtions? the one on the top broke and will need replacing. Thanks for any input. George Burda.

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bejay's Avatar

Join Date: Dec 2001
Posts: 2,538

07-20-02, 11:57 AM   #2  
the one that commonly breaks is the cooling fan switch which turns on the cooling fan when the engine reaches a certain temp, i believe the other sensor if a single wire is for your guage or hot light, but if a two wire it could be the coolant sensor that tells the computer what temperature the engine is running at, the cooling fan switch is rectangular shaped and the cts is more round shaped. both have 2 wires.

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