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Home >> Infiniti >> 1991 >> G20 Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Controls - Specifications >> Ignition System >> Ignition Timing
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Ignition Timing

NOTE: Q45 models use a distributorless ignition system. Firing order for Q45 models is controlled by ECU through left and right power transistors. Adjustments to timing are NOT possible.
IGNITION TIMING (Degrees BTDC @ RPM) (1)

Application Specification
G20 13-17 @ 700-800
M30 13-17 @ 750-850
Q45 (2) 13-17 @ 700-800
(1) Transmission in Neutral, with no load on engine.
(2) Ignition timing on Q45 is controlled entirely by the ECU. Timing is NOT adjustable.
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