Idle Speed & Ignition Timing

WARNING: This page is about a different car, the 1989 Honda Accord. However, it is still accessible from the selected car via links, so may be relevant.

Ensure idle speed and ignition timing are set to specification. For adjustment procedures, see ADJUSTMENTS article.

IDLE SPEED SPECIFICATIONS ⁽¹⁾

Application

RPM

Manual Transmission

750-850

Automatic Transmission

680-780

Fast Idle

2000-3000

⁽¹⁾	Idle speed is set with headlights and cooling fan off and automatic transmission in Drive.

IGNITION TIMING (Degrees BTDC @ RPM)

Application

Setting

Base Timing (White Mark)

4 @ 600-700

Advance Timing (Red)

Carbureted

Auto. Trans. ⁽¹⁾

13-17 @ 680-780

Man. Trans. ⁽²⁾

22-26 @ 750-850

Fuel Injected

Auto. Trans. ⁽¹⁾

13-17 @ 600-800

Man. Trans.

13-17 @ 700-800

⁽¹⁾	Auto. trans. in Drive.

⁽²⁾	Advance timing is 18-22 degrees BTDC on California vehicles.