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Idle Speed & Ignition Timing

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

IDLE SPEED SPECIFICATIONS (1)

Application RPM
Civic 675-775
Fast Idle 1,000-2,000
CRX
HF
California 600-700
Federal 550-650
Si 700-800
Standard (Base Model) 675-775
Fast Idle 1,000-2,000
(1) Idle speed is set with headlights and cooling fan off and automatic transmission in Neutral.
IGNITION TIMING (Degrees BTDC @ RPM)

Application Setting
Civic 16-20 @ 700-800
CRX
Standard 16-20 @ 675-775
Si 16-20 @ 700-800
HF (1) 12-16 @ 550-650
(1) 600-700 RPM on California and high altitude vehicles.
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