Idle Speed & Ignition Timing

For further information on idle speed adjustments and specifications, see ON-VEHICLE ADJUSTMENTS article.

IDLE SPEED SPECIFICATIONS (ACCORD, CIVIC, INSIGHT, ODYSSEY & S2000)

IDLE SPEED SPECIFICATIONS (CR-V)

Step "A" RPM	Step "B" RPM	Step "C" RPM	Step "D" RPM
430-530	680-780	680-780	720-820

IDLE SPEED SPECIFICATIONS (PRELUDE)

Step "A" RPM	Step "B" RPM	Step "C" RPM	Step "D" RPM
500-600	650-750	740-840	740-840

IGNITION TIMING (DEGREES BTDC - RED MARK @ RPM)

Application

⁽¹⁾ Man. Trans.

⁽²⁾ Auto. Trans.

Accord

2.3L

⁽³⁾ 10-14 @ 650-750

3.0L

.....

⁽³⁾ 8-12 @ 630-730

Civic

⁽³⁾ 6-10 @ 650-750

CR-V

⁽⁴⁾ 14-18 @ 700-800

Insight

⁽³⁾ 10-14 @ 850-950

.....

Odyssey

.....

⁽³⁾ 8-12 @ 680-780

Prelude

⁽⁴⁾ 13-17 @ 650-750

S2000

⁽³⁾ 3-7 @ 750-850

.....

⁽¹⁾	With manual transmission in Neutral.

⁽²⁾	With automatic transmission in Neutral or Park.

⁽³⁾	Install scan tool to Data Link Connector (DLC) before checking timing.

⁽⁴⁾	Install Service Check Connector Tool (07PAZ-0010100) to service check connector before checking timing.