1997 Infiniti QX4FACTORY OEM SERVICE PROCEDURE

Idle Speed & Ignition Timing

Ensure idle speed and ignition timing are set to specification. Improper setting of ignition timing and idle speed may cause driveability problems and/or false setting of trouble codes. For adjustment procedures, see ADJUSTMENTS article.

V6 IDLE SPEED & CO LEVEL

Application (1) Idle RPM (2) Idle RPM (3) Maximum CO Level
Pathfinder (4) 650-750 (4) 700-800 .2-8.0%
(1) With throttle position sensor connected.
(2) With throttle position sensor disconnected.
(3) Measured in Self-Diagnostic Mode II.
(4) Automatic transmission/transaxle in Neutral.
V6 IGNITION TIMING (Degrees BTDC @ RPM)

Application Man. Trans. (1) Auto. Trans.
Pathfinder 13-17 @ 650-750 13-17 @ 650-750
(1) Automatic transmission/transaxle in Neutral.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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