Location of ECT sensor

H

HeadKnock

Not-quite-so-new-guy
Apr 16, 2018
21
3
When cold starting my 1978 Cutlass Supreme... 4.3l 260 v8 engine... my Hot light comes on and stays on. I figured it was the ECT (engine coolant temperature ) sensor, I need to know its location. Is it the one in the intake manifold or the one behind the water pump?

This is a picture of an Olds 350 V8... but its the same engine.
 

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olds307 and 403

olds307 and 403

Geezer
Oct 14, 2008
5,067
113
Melville,Saskatchewan
Olds V8's are always in the intake manifold.
 
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olds307 and 403

olds307 and 403

Geezer
Oct 14, 2008
5,067
113
Melville,Saskatchewan
The one behind the water pump on the shelf with big numbers next to it is the oil pressure sensor.
 
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