Question about 2002 Chevrolet S-10
The sensor is on the left side of the engine between cyl 2 & 3. It can be removed using a deep socket or a ratcheting box end wrench. It is a pain but can be done.
Posted on Jan 16, 2009
My manuals don't show an exact location (GM played around alot on the 4.3ltr's intake manifold those years) but they are almost always near the front of the intake manifold on top. The ECTS is usually black plastic with a brass or aluminum base that threads into the intake manifold. There is one connector.
To check the sensor, check the resistance:
@ Cold (5,700 to 2,200 ohms)
@ Operating temp (170 to 450 ohms)
If you can't get the ohm meter's probes in the sensor (due to cramped working space), you can remove it and try it in a pan of water. (cold engine: 50 t0 80 degrees F, warm engine:170 to 200 degrees F). Good luck!
Posted on Dec 13, 2008
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Posted on Jan 02, 2017
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