temperature gauge broke?
#1
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temperature gauge broke?
So I have 1980 2wd yota and I will go to start the truck in the morning when its cold out and I turn the key once and the temperature gauge shoots to instantly hot.. Is this bad sending unit? How can I find the sending unit its a 20r engine. Please help me
edit----
Thanks guys Fixed the problem love knowing my temp now
edit----
Thanks guys Fixed the problem love knowing my temp now
Last edited by funcrazy1; 01-21-2012 at 10:51 PM.
#3
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So it is a bad sending unit? Cause the needle goes straight to the top when warming the truck.. Also could this be the reason why I have bad gas mileage only getting 16-18 mpg 201miles on 11 gallon tank?
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Hope you didn't use locktite. poew130 meant plumbers white teflon tape. I think plumbers putty or "pipe dope" would be better or maybe even dielectric grease so the sender can make contact with the engine block. The sending unit varies the amount of ground or resistance to ground to tell the gauge what the engine temp is. If there is no contact between it and the block, there's no "ground" or total resistance = a cold/hot engine depending on how that sensor is setup.
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