LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 1998 >> GS 400 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Idle Speed & Ignition Timing >> Idle Speed Specifications
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Idle Speed Specifications

IDLE SPEED SPECIFICATIONS

Application Idle RPM
All Models 650-750
IGNITION TIMING SPECIFICATIONS

Application (1) Base Timing (2) Controlled Timing
ES300 8-12 @ 650-750 7-24 @ 650-750
GS300 & SC300 8-12 @ 650-750 6-16 @ 650-750
GS400, LS400 & SC400 8-12 @ 650-750 (3)
(1) Jumper wire connected between terminals TE1 and E1 of DLC No. 1.
(2) Jumper wire disconnected from DLC No. 1.
(3) Information is not available from manufacturer at time of publication.