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Temp gauge acting up!

610 Views 2 Replies 3 Participants Last post by  Smokeeatertk28
Truck will be running normal and then the gauge will spike for a minute then drop back to normal. Also truck starts to idle high. Wondering if anyone has any ideas or things to check thx!
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u might want to have ur thermastat looked at. or water pump. or it might not be any thing at all. but its always good to take a look at em.
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