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Home >> Lincoln >> 1998 >> Navigator RWD >> Repair and Diagnosis >> Engine Performance >> Specifications >> Engine Controls - Specifications 5.4L >> Fuel System >> Idle Speed & Mixture

Idle Speed & Mixture

NOTE: Idle mixture is not adjustable. For additional information, see TESTS W/CODES - 5.4L article.
IDLE RPM SPECIFICATION

Application (1)(2) RPM
A/T 800-850
M/T 725-775
(1) Idle speed is checked with engine warm and all accessories and fan off.
(2) Idle speed is computer controlled and is not adjustable.
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