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Home >> Infiniti >> 2003 >> M45 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Diagnostic Procedures >> Idle Speed & Ignition Timing
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Idle Speed & Ignition Timing

Ensure idle speed and ignition timing are set to specification. For adjustment procedures, see ON-VEHICLE ADJUSTMENTS article.

IDLE SPEED & CO LEVEL

Application Idle RPM (1)
FX35, FX45 & G35 650-700
I35 & M45 675-725
QX4 750-800
Q45 600-700
(1) With transmission in Neutral and no electrical load on engine.
IGNITION TIMING (Degrees BTDC @ Idle)

Application (1) Specification
FX35, G35, I35 & QX4 15-20° BTDC
FX45, M45 12-17° BTDC
Q45 12-22° BTDC
(1) With transmission in Neutral and no electrical load on engine.