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Home >> Lexus >> 1995 >> LS 400 >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Basic Testing >> Idle Speed & Ignition Timing >> Notes

Idle Speed & Ignition Timing: Notes

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Ensure idle speed and ignition timing are set to specification. See IDLE SPEED SPECIFICATIONS and IGNITION TIMING SPECIFICATIONS tables. For adjustment procedures, see appropriate 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.