LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 1990 >> Excel GLS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Idle Speed & Ignition Timing
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Idle Speed & Ignition Timing

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

IGNITION TIMING (Degrees BTDC @ RPM)

Application (1) Basic (2) Actual
1.5L & 3.0L 3-7 @ 600-800 10 @ 600-800
2.4L 3-7 @ 650-850 10 @ 650-850
(1) With ignition timing adjustment connector grounded.
(2) With ignition timing adjustment connector ungrounded.