Idle Speed & Ignition Timing

For specifications, see IDLE SPEED & IGNITION TIMING SPECIFICATIONS table. Ensure idle speed and ignition timing are set to specification. For adjustment procedures, see ON-VEHICLE ADJUSTMENTS article.

IDLE SPEED & IGNITION TIMING SPECIFICATIONS

Application

Specification

Ignition Timing

10 Degrees BTDC

Idle Speed

⁽¹⁾

⁽¹⁾	For vehicles with 0-500 odometer miles, minimum idle rpm should be 425-525 RPM. For vehicles with more than 500 odometer miles, minimum idle RPM should be 500-600 RPM.