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What is a EGT probe? And is this the thing that looks like a short piece or coat hanger located after the cataylic converter?
 

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exhaust gas temp probe usually near the egr valve has one wire coming out not near the cat you would usually put it in the down pipe safer than running in the manifold cause if it were to break it would go through the exhaust side of the turbo turbine which would mess up your turbo.
 

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Supra Owner Since 1996
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Coat hanger after your cat is most likely your secondary O2 sensor. EGT probes wire to an output EGT gauge or stand alone. So if you don't find one of them bolted down to your car you probably don't have one.
 
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