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Home >> Honda >> 1996 >> Prelude Si, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Adjustments - 2.3L 4-CYL >> Adjustment >> Ignition Timing

Ignition Timing

  1. Start engine and run under no-load condition until cooling fan comes on. Let engine idle. Pull out service check connector (Blue, 2-pin), located behind front console. See Fig 1 . Plug SCS Service Connector (07PAZ-0010100 ) or jumper wire into service check connector.
    CAUTION: DO NOT  attempt any connection to 3-pin Data Link Connector (DLC) located near service check connector.
    Fig 1: Locating Service Check Connector
    G96E09583Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Attach tachometer to tachometer test connector (White, 2-pin with cover) located in right rear of engine compartment. Check idle speed and adjust as necessary. See IDLE SPEED  under IDLE SPEED & MIXTURE. Connect timing light to spark plug wire No. 1. Check base ignition timing. Timing marks are located on flywheel/drive plate. Red mark indicates 15 degrees BTDC. White mark indicates TDC. See Fig 2 .
  3. Loosen hold-down bolts and rotate distributor to adjust timing. Tighten distributor hold-down bolts to 13 ft. lbs. (18 N.m). Recheck timing.
  4. Remove timing light. Remove SCS service connector or jumper wire from ignition timing service check connector.
    Fig 2: Locating Ignition Timing Marks
    G96J09585Courtesy of AMERICAN HONDA MOTOR CO., INC.
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