LS400 1990-1997

Gasoline Engine Tune-Up Specifications

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Specific to:

Lexus LS400 1990-1999

GASOLINE ENGINE TUNE-UP SPECIFICATIONS
YearEngine IDEngine Displacement Liters (cc)Spark Plug Gap (in.)Ignition Timing (deg.) -Fuel Pump (psi)Idle Speed (rpm)Valve Clearance (in.)
19901UZ-FE4.0 (3969)0.04310B38-44600-7000.006-0.0100.010-0.014
19911UZ-FE4.0 (3969)0.04310B38-44600-7000.006-0.0100.010-0.014
19921UZ-FE4.0 (3969)0.04310B38-44600-7000.006-0.0100.010-0.014
19931UZ-FE4.0 (3969)0.04310B38-44600-7000.006-0.0100.010-0.014
19941UZ-FE4.0 (3969)0.04310B38-44600-7000.006-0.0100.010-0.014
19951UZ-FE4.0 (3969)0.04310B38-44600-7000.006-0.0100.010-0.014
19961UZ-FE4.0 (3969)0.04310B38-44600-7000.006-0.0100.010-0.014
19971UZ-FE4.0 (3969)0.04310B38-44600-7000.006-0.0100.010-0.014
19981UZ-FE4.0 (3969)0.04310B38-44600-7000.006-0.0100.010-0.014
19991UZ-FE4.0 (3969)0.04310B38-44600-7000.006-0.0100.010-0.014
1NOTE: The Vehicle Emission Control Information label often reflects specification changes made during production. The label figures must be used if they differ from those in this chart.
 
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