rattling noise when excellerating

1998 LINCOLN TOWN CAR
126,000 MILES • RWD • AUTOMATIC
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RATANYA S HARRIS
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My car makes a rattling noise when I accelerate, indicative of it overheating, but it does not overheat. what does that mean?
Aug 1, 2016 at 4:06 PM
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RIVERMIKERAT
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Where does the rattle come from?
Aug 1, 2016 at 4:48 PM
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RIVERMIKERAT
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And are you sure the temperature sending unit is working properly?
Aug 1, 2016 at 4:48 PM
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RATANYA S HARRIS
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Underneath the car. And how do I find out if the temperature sending unit is working?
Aug 1, 2016 at 8:11 PM
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SATURNTECH9
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Just to add to this one before are you sure your catalytic converter did not break loose and is rattling?
Aug 1, 2016 at 8:22 PM
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RIVERMIKERAT
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Or the heat shield on the catalytic converter.

https://www.2carpros.com/articles/coolant-temperature-sensor-cts-replacement
Aug 2, 2016 at 6:34 AM