4-Cylinder Ignition Timing

Start engine and warm to normal operating temperature. Turn ignition off. Disconnect throttle position sensor harness connector.
Start engine. Increase engine speed to 2000 RPM, 2 or 3 times, then allow engine to return to idle. Engine should be operating smoothly at correct idle RPM. Check ignition timing. See 4-CYLINDER IGNITION TIMING table. See Fig 1 .
If ignition timing is incorrect, loosen hold-down bolt and turn distributor to adjust ignition timing. Turn ignition off and connect throttle position sensor harness connector. Recheck ignition timing.

4-CYLINDER IGNITION TIMING- (Degrees BTDC @ RPM)

Application

Man. Trans.

⁽¹⁾ Auto. Trans.

1.6L

8-12 @ 600-700

8-12 @ 800-900

2.0L

13-17 @ 800-900

⁽¹⁾	Automatic transmission/transaxle in Neutral.

Fig 1: Locating Ignition Timing Marks (Sentra)

Courtesy of NISSAN MOTOR CO., U.S.A.