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Home >> Ford >> 2000 >> Contour SE, 2.0 3, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 445 (Noise, Vibration & Harshness) >> Description And >> Glossary of Terms >> Drive Engine Run-Up (DERU) Test

Drive Engine Run-Up (DERU) Test

WARNING: This page is about a different car, the 2004 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.

The operation of the engine through the normal RPM range with the vehicle standing still, the brakes applied and the transmission engaged. This test is used for noise and vibration checks.

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