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Home >> Lexus >> 1997 >> LS 400 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Idle Speed & Ignition Timing >> Notes

Idle Speed & Ignition Timing: Notes

Ensure idle speed and ignition timing are set to specification. See IDLE SPEED SPECIFICATIONS and IGNITION TIMING SPECIFICATIONS tables. Idle speed and ignition timing are not adjustable. For checking procedures, see ADJUSTMENTS article.

CAUTION: DO NOT ground DLC terminal IG-. Damage to ignitor and/or ignition coil may result. Ensure tachometer is compatible with this system before use.
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