i have been told that my cis temp sensor is bad the book says that it is on the rear left manifold, but i don,t see it. could someone help me with a location. i found the one up front with the 4 prongs but is there one in the back?

Should be a round 4 pole black sensor in the intake...

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only one? performance products catologue makes it look like one on the back of the manifold also?