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The 4.6 has two coolant sensors, they are both behind and to each side where the alternator is mounted on the intake manifold. The one on the left side of the alternator is for the gauge, the one on the right, for the computer.

AnswerCoolant sensors are usually located in the intake manifold, near the thermostat. Follow back the upper radiator hose to the thremostat, and look for nearby electrical connectors leading into the intake manifold. AnswerThe low coolant sensor is located inside of the Coolant Resevoir Tank.
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โˆ™ 2010-04-23 13:02:50
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Q: What is the coolant sensor located on a 1996 Mercury Grand Marquis 4.6?
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