LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Lexus
>>
1993
>>
SC 300 Standard
>>
Repair and Diagnosis
>>
Engine Performance
>>
Engine Controls - Adjustments
>>
Idle Speed & Mixture
>>
Idle Mixture
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Idle Mixture
NOTE:
Idle mixture is computer controlled and is not adjustable. If vehicle fails emissions test, O2 sensor may be faulty. See O2 SENSOR under ENGINE SENSORS & SWITCHES in SYSTEM & COMPONENT TESTING article.