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 |
Idle RPM |
Idle RPM |
Maximum CO Level |
| Altima |
650-750 |
600-700 |
5.0% |
| NX & Sentra |
| 1.6L |
| A/T |
750-850 |
675-775 |
7.0% |
| M/T |
600-700 |
550-650 |
7.0% |
| 2.0L |
750-850 |
700-800 |
10.0% |
| Pickup |
750-850 |
700-800 |
5.0% |
| 240SX |
650-750 |
600-700 |
7.0% |
V6 IDLE SPEED & CO LEVEL
| Application |
Idle RPM |
Idle RPM |
Maximum CO Level |
| Maxima |
| VE30DE |
650-750 |
650-750 |
0.2-8.0% |
| VG30E |
650-750 |
700 |
0.2-8.0% |
| Pathfinder & Pickup |
700-800 |
700 |
0.2-8.0% |
| Quest |
650-750 |
700-800 |
0.2-8.0% |
| 300ZX |
| A/T |
| Non-Turbo |
720-820 |
720 |
0.2-8.0% |
| Turbo |
700-800 |
700 |
0.2-8.0% |
| M/T |
650-750 |
650 |
0.2-8.0% |
4-CYLINDER IGNITION TIMING (Degrees BTDC @ RPM)
| Application |
Man. Trans. |
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 |
V6 IGNITION TIMING (Degrees BTDC @ RPM)
| Application |
Man. Trans. |
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 |