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Home >> Honda >> 1996 >> Prelude VTEC >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Engine Testing - 2.2L 4-CYL >> Idle Speed & Ignition Timing

Idle Speed & Ignition Timing

Ensure idle speed and ignition timing are set to specification. See IDLE SPEED SPECIFICATIONS  and IGNITION TIMING  . For adjustment procedures, see ADJUSTMENTS - 2.2L 4-CYL article.

IDLE SPEED SPECIFICATIONS

Application RPM
Accord (1) 500-600
(2) 650-750
(3) 720-820
Prelude (1) 500-600
(2) 650-750
(3) 720-820
(1) With Idle Air Control (IAC) valve disconnected, headlights and cooling fan off, and transmission in Neutral or Park.
(2) With Idle Air Control (IAC) valve connected, headlights and cooling fan off, and transmission in Neutral or Park.
(3) With headlights on low or heater fan on HI and A/C on.
IGNITION TIMING (Degrees BTDC @ RPM)

Application Specification
Accord & Prelude 13-17 @ 650-750
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