Idle Speed & Ignition Timing

Ensure idle speed and ignition timing are set to specification. For adjustment procedure, see appropriate ON-VEHICLE ADJUSTMENTS article.

IDLE SPEED SPECIFICATIONS

Model

RPM

Pickup

900 ⁽¹⁾

⁽¹⁾	Use underhood emissions label specification if different than table.

IGNITION TIMING (Degrees BTDC @ RPM)

Application

Base Timing ⁽¹⁾

Pickup

6 @ 900

⁽¹⁾	With distributor vacuum advance hose disconnected and plugged.