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Idle Speed

IDLE SPEED SPECIFICATIONS (1)(2)

Application Idle RPM A/C Off Idle RPM A/C On
Standard
XFi (3) 650-750 (3) 850-950
Base A/T (3) 800-900 (3) 850-950
Base M/T (3) 750-850 (3) 850-950
Upgraded
A/T (4) 800-900 N/A
M/T (4) 750-850 N/A
(1) If specification differs from emission label, use specification listed on emission label.
(2) Check using Tech 1 connected to Data Link Connector (DLC) with engine warm, accessories off and transaxle in Neutral (M/T) or Park (A/T).
(3) Idle Speed Control (ISC) duty is 25-35% with A/C off and 15-25% with A/C on.
(4) Idle speed is computer controlled and is not adjustable.