Originally Posted by 90CvcDX
i thought on obd0 cars the o2 sensor really didnt affect the motor's ability? not saying you shouldnt drive around without one just that an obd0 motor doesnt depend on the o2 as much as an obd2
The purpose of the O2 sensor is to measure rich or lean and adjust the a/f ratio accordingly so yea, if its unhooked or broken, your fuel economy will be shot...
Anyways here is a pic to help you find where that hose is supposed to go...
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Comparing my pic with yours, it looks like some of your hoses are installed incorrectly... Ofcourse it may just be because itsa different engine...