Idle Speed & Ignition Timing

Ensure idle speed and ignition timing are set to specification. See IGNITION TIMING SPECIFICATIONS table. For adjustment procedures, see ADJUSTMENTS article.

IGNITION TIMING SPECIFICATIONS (Degrees BTDC @ RPM)

Application

⁽¹⁾ Basic

⁽²⁾⁽³⁾ Actual

2.4L

Pickup & Ram-50

3-7 @ 600-800

8 @ 600-800

3.0L

Montero

3-7 @ 600-800

15 @ 600-800

Pickup & Ram-50

3-7 @ 650-850

15 @ 650-850

⁽¹⁾

With ignition timing adjustment connector grounded or vacuum hose (farthest from distributor) disconnected.

⁽²⁾

With ignition timing adjustment connector ungrounded or vacuum hose (farthest from distributor) connected. Ignition timing may fluctuate.

⁽³⁾

If vehicle altitude is more than 2300 ft. above sea level, actual timing may be advanced.