Idle Speed & Ignition Timing

Ensure idle speed and ignition timing are set to specification. See IDLE SPEED SPECIFICATIONS and IGNITION TIMING tables. For adjustment procedures, see ADJUSTMENTS article in the ENGINE PERFORMANCE Section.

IDLE SPEED SPECIFICATIONS

Application

⁽¹⁾ RPM

Accord & Prelude

500-600

Civic & Civic Del Sol

370-470

⁽¹⁾	With Intake Air Control (IAC) valve disconnected, headlights and cooling fan off and transmission in Neutral or Park.

IGNITION TIMING (Degrees BTDC @ RPM)

Application				Specification
Accord & Prelude				13-17 @ 700-800
Civic & Civic Del Sol
1.5L
D15B7
A/T				16 @ 700
M/T				16 @ 650
D15B8				12 @ 650
D15Z1				16 @ 600
1.6L (D16Z6)
A/T				16 @ 700
M/T				16 @ 650