Question about 2003 Lincoln Navigator
O2 sensors are always in the exhaust of the engine. it measures the exhaust gas to help regulate fuel delivery. the lincoln probably has two banks of sensors. one on each side of the motor located close to the engine in the exhaust pipes. looks a little like a spark plug sticking out of the pipe and will have an electrical line going less than a foot to a connector. there can also be one after the catalytic convertor. same look there too. hope this helps and good luck
Posted on May 14, 2010
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Posted on Jan 02, 2017
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