Coolant Temp?
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Tuned
Joined: Jul 2005
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From: Sherman, IL
Coolant Temp?
Those of you with aftermarket temp gauges, whats your normal opperating temp?
I just installed one in the side of the water pump and its reading 240 to 250. I use the same gauge for tranny temp (switched) and it is right on with what my programmer shows. Could my sending unit be screwed up?
I just installed one in the side of the water pump and its reading 240 to 250. I use the same gauge for tranny temp (switched) and it is right on with what my programmer shows. Could my sending unit be screwed up?
Posting Guru
Joined: Jul 2004
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From: Kamloops, BC
Those temps seem high to me ! We just put a water temp gauge in Ryan's truck.. it reads under 200 and when it hits 203 the thermostat opens and it goes back down ! (i think thats how it works) Your sending unit could be screwed or your temps are just that high !! If they are that high I would make sure your thermostat is working !
Posting Guru
Joined: Jul 2004
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From: Kamloops, BC
That one always just reads half way !! POS in my opinion ! Ryan's Ispro moves all over and the stk one stays in the middle !! I think its like an idiot light !! Only moves when its way to hot !!!!
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From: Rochdale MA
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Hotshot
Joined: Jan 2008
Posts: 13,144
Likes: 11
From: Rochdale MA
A bad ground could cause either. These sensors run on a milivolts & resistance so any impedement will throw them off. Make sure that the grounds and all other connectios are clean and tight. If it is ok with the trans temp then it is a sending unit issue. clean the ground and check it again.
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