Idle Speed & Ignition Timing

Ensure idle speed and base ignition timing are set to specification. If necessary, see ADJUSTMENTS article in this section.

IDLE SPEED SPECIFICATIONS ⁽¹⁾

Application

Idle RPM

With A/C Off

750-850

With A/C On

⁽²⁾ 950-1050

⁽¹⁾	Idle speed specification is with trans. in Neutral or Park.

⁽²⁾	The A/C idle speed is adjusted by rotating adjustment screw on A/C Vacuum Switching Valve (VSV)

IGNITION TIMING (Degrees BTDC @ RPM)

Application

Man. Trans.

Auto. Trans.

Samurai

⁽¹⁾ 7-9 @ 800

N/A

⁽¹⁾	Specification is listed with jumper wire installed between terminals "C" and "D" (Black/Green and Blue wires) of test connector, located near the battery.