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Home >> Infiniti >> 1993 >> J30 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Idle Speed & Ignition Timing

Idle Speed & Ignition Timing

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Ensure idle speed and ignition timing are set to specification. For adjustment procedures, see ADJUSTMENTS article in the ENGINE PERFORMANCE Section.

IDLE SPEED

Application Idle RPM
G20 (1) 750-850
G20 (2) 800-900
J30 (1) 670-770
J30 (2) 750-850
Q45 (1) 600-700
Q45 (2) 600-700
(1) Transmission in Neutral, air conditioner off and no electrical load.
(2) Transmission in Neutral and air conditioner on.
IGNITION TIMING (Degrees BTDC @ RPM)

Application Specification
G20 (1) 13-17 @ 750-850
J30 (1) 13-17 @ 670-770
Q45 (1) 13-17 @ 600-700
(1) Automatic transmission in Neutral.