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Auto Parts Gallery - Electrical

What is it? LS 777 oxygen sensor connector. What does it fit? Any application that uses an OS 101 O2 sensor. Why does it fail? High exhaust manifold temperatures cause cracking and connector breakdown. Why is replacement important? O2 sensors operate on less than a (1) volt signal. Loose connection causes high resistance and poor signals to the computer, so the car runs poorly.

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