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Tmep. gauge does not move
1991 Chevrolet S10

Tmep. gauge does not move

(1991 Chevrolet S10)
my 2.8 v6 is ideling a bit high and the gauge does not work,does this eng. only use the one sensor for both?
it is not over heating and i have great heat
2 answers & 0 comments
Popular Answer
on October 24, 2010
There is a separate sender for the engine temperature gauge. I would check that first to see if it is working. It has a single dark green wire.
As for the high idle, really you need to check the engine performance computer, to see if there are any codes, it cold be a split throttle body gasket, for example, which in letting in a bunch of air around the throttle plate and causing the idle to go really high.

here are some shops if you need them:

http://repairpal.com/chevrolet-repair-in-rochester-michigan
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General Diagnosis
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on October 24, 2010
There is a separate sender for the engine temperature gauge. I would check that first to see if it is working. It has a single dark green wire.
As for the high idle, really you need to check the engine performance computer, to see if there are any codes, it cold be a split throttle body gasket, for example, which in letting in a bunch of air around the throttle plate and causing the idle to go really high.

here are some shops if you need them:

http://repairpal.com/chevrolet-repair-in-rochester-michigan
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on August 02, 2015
The two are most likely unrelated. the most common problem is a bad connection or a bad temperature sensor, located at the right side of the engine, it has a single wire going to it. The high idle is most likely caused by a vacuum leak, check all of your lines.
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