1993 Nissan-Datsun Sentra SE-R, StandardFACTORY 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.

4-CYLINDER IDLE SPEED & CO LEVEL

Application (1) Idle RPM (2) Idle RPM (3) Maximum CO Level
Altima (4) 650-750 (4) 600-700 5.0%
NX & Sentra
1.6L
A/T (4) 750-850 (4) 675-775 7.0%
M/T 600-700 550-650 7.0%
2.0L (4) 750-850 (4) 700-800 10.0%
Pickup (4) 750-850 (4) 700-800 5.0%
240SX (4) 650-750 (4) 600-700 7.0%
(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 IDLE SPEED & CO LEVEL

Application (1) Idle RPM (2) Idle RPM (3) Maximum CO Level
Maxima
VE30DE (4) 650-750 (4) 650-750 0.2-8.0%
VG30E (4) 650-750 (4) 700 0.2-8.0%
Pathfinder & Pickup (4) 700-800 (4) 700 0.2-8.0%
Quest (4) 650-750 (4) 700-800 0.2-8.0%
300ZX
A/T
Non-Turbo (4) 720-820 (4) 720 0.2-8.0%
Turbo (4) 700-800 (4) 700 0.2-8.0%
M/T 650-750 650 0.2-8.0%
(1) With Auxiliary Air Control (AAC) valve connected.
(2) With Auxiliary Air Control (AAC) valve disconnected.
(3) Measured in self-diagnostic Mode II.
(4) Automatic transmission/transaxle in Neutral.
4-CYLINDER IGNITION TIMING (Degrees BTDC @ RPM)

Application Man. Trans. (1) Auto. Trans.
Altima & 240SX 18-22 @ 700-800 18-22 @ 700-800
NX & Sentra
1.6L 8-12 @ 600-700 8-12 @ 800-900
2.0L 13-17 @ 800-900 13-17 @ 800-900
Pickup 8-12 @ 750-850 8-12 @ 750-850
(1) Automatic transmission/transaxle in Neutral.
V6 IGNITION TIMING (Degrees BTDC @ RPM)

Application Man. Trans. (1) Auto. Trans.
Maxima, Pathfinder, Pickup & Quest 13-17 @ 700-800 13-17 @ 700-800
300ZX
Non-Turbo 13-17 @ 650-750 13-17 @ 720-820
Turbo 13-17 @ 650-750 13-17 @ 700-800
(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:

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