coppens1

Operating Temp 98 vs 01 Lexus ES300

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 Dear fellow Lexus owners, my 01 Lexus ES300 runs a lot hotter than my 98 Lexus ES300.  Both have the same engine.  The 98 temp gauge shows in the very low area, and the 01 shows medium.  

The 98  Lexus radiator capacity, 9.2 L, or 9.7 Qt

The 01  Lexus radiator capacity, 8.8 L, or 9.3 Qt

That .4 qt shouldn't make such a big diff in operating temp.    Does anyone else have this problem with the 01 Lexus?  JC
 

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I would be tempted to measure the actual temperatures of each engine with an infra-red thermometer to get an accurate reading.

With the engine temperature sensors used on both engines maybe reading differently but as long as they are within tolerances then no fault codes will be created.

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