1992 Nissan-Datsun Sentra SE-RFACTORY 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
NX & Sentra
1.6L
Auto. Trans. (4) 750-850 (4) 675-775 7
Man. Trans. 600-700 550-650 7
2.0L
Auto. Trans. (4) 750-850 (4) 700-800 10
Man. Trans. 750-850 700-800 10
Pickup (4) 750-850 (4) 700-800 5
Stanza (4) 650-750 (4) 600-700 5
240SX (4) 650-750 (4) 600-700 7
(1) With throttle position sensor connected.
(2) With throttle position sensor disconnected.
(3) Measured in Self-Diagnostic Mode.
(4) Automatic transmission/transaxle in Neutral.
V6 IDLE SPEED & CO LEVEL

Application (1) Idle RPM (2) Idle RPM (3) Maximum CO % Level
Maxima
VG30E (4) 650-750 (4) 700 .2-8
VE30DE (4) 650-750 (4) 650-750 .2-8
Pathfinder & Pickup
Auto. Trans. (4) 700-800 (4) 700 .2-8
Man. Trans. 700-800 700 .2-8
300ZX
Auto. Trans.
Non-Turbo (4) 720-820 (4) 720 .2-8
Turbo (4) 700-800 (4) 700 .2-8
Man. Trans. 650-750 650 .2-8
(1) With Auxiliary Air Control (AAC) valve connected.
(2) With Auxiliary Air Control (AAC) valve disconnected.
(3) Measured in Self-Diagnostic Mode.
(4) Automatic transmission/transaxle in Neutral.
4-CYLINDER IGNITION TIMING (Degrees BTDC @ RPM)

Application Man. Trans. (1) Auto. Trans.
NX & Sentra
1.6L 10 @ 550-650 10 @ 675-775
2.0L 15 @ 700-800 15 @ 700-800
Pickup 10 @ 750-850 10 @ 750-850
Stanza 15 @ 650-750 15 @ 650-750
240SX 20 @ 600-700 20 @ 600-700
(1) Automatic transmission/transaxle in Neutral.
V6 IGNITION TIMING (Degrees BTDC @ RPM)

Application Man. Trans. (1) Auto. Trans.
Maxima 15 @ 700-800 15 @ 700-800
Pathfinder & Pickup 15 @ 700-800 15 @ 700-800
300ZX
Non-Turbo 15 @ 650-750 15 @ 720-820
Turbo 15 @ 650-750 15 @ 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.

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