Idle Speed & Ignition Timing

Ensure idle speed and ignition timing are set to specification. See IGNITION TIMING SPECIFICATIONS table. For adjustment procedures, see ADJUSTMENTS - 1.5L article.

IGNITION TIMING SPECIFICATIONS (Degrees BTDC @ RPM)

Application

⁽¹⁾ Basic

⁽²⁾⁽³⁾ Actual

Calif. Emissions

2-8 @ 650-750

10 @ 650-750

Federal Emissions

3-7 @ 650-750

10 @ 650-750

⁽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 feet above sea level, actual timing may be advanced (5 degrees).