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Home >> Mercury >> 1994 >> Cougar 3.8 4, AODE-W >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing - V8 >> Idle Speed & Ignition Timing >> Idle Speed

Idle Speed

Engine idle RPM is fixed and cannot be changed by standard adjustments. A scan tool must be used because control strategy and idle speed is controlled by Powertrain Control Unit (PCM). See IDLE SPEED in ADJUSTMENTS - V8 article.

IDLE SPEED SPECIFICATIONS

Model RPM
4.6L (1) **
5.0L 625-725
(1) Information is not available, refer to underhood label.
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