2000 Lincoln Town Car - engine roars sometim when the engine is cold. The noise stops when the accelator is depressed. Whaat is the cause of the roar?

Asked by Apr 08, 2014 at 11:31 AM about the 2000 Lincoln Town Car Signature

Question type: Maintenance & Repair

There is an roar from the engine compartment sometimes when the engine is cold. The noise stops when the accelerator is depressed. What could be the cause?

1 Answer

10

When the engine is cold the oil has settled in the lower engine areas. When you start the car, the oil takes a second to build pressure in parts of the engine where the oil has drained from. When you depress the accelerator you cause the oil pump to send oil to all the dry spots, thus quieting the engine noise.

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