Mr Marks Posted August 11, 2008 Share Posted August 11, 2008 i checked the codes on the engine light and it came down the number,,25 - Air-fuel ratio lean malfunction-- and i don't know what will cause this problem i would appreciate if some one knew about this code thanks tom Quote Link to comment Share on other sites More sharing options...
Mr Marks Posted August 17, 2008 Author Share Posted August 17, 2008 well i really need help on this issue this my first ls400 shes at 310 Kilometers i know-High K's- and ill tell you what i love the car i just now got use to mines , i switched to fully sytenic it runs find i read the the topic on the oil change, my Q here is about this check engine light i took her to a Lexus dealer and they wanted big money just to look at it -so i thought i might ask you guys if u ever known about this, my ls400 is running lean i check the back exhaust and only the right side one is wet like water i dunno if this haves some do to with it running lean am just now getting ready to put some parts together i don't know where to start Quote Link to comment Share on other sites More sharing options...
python Posted August 17, 2008 Share Posted August 17, 2008 02 sensor......change both of ur main 02 sensors with denso oem ones do not use bosch Quote Link to comment Share on other sites More sharing options...
Mr Marks Posted August 18, 2008 Author Share Posted August 18, 2008 02 sensor......change both of ur main 02 sensors with denso oem ones do not use bosch thanks for the repsone i will replaces these asap Quote Link to comment Share on other sites More sharing options...
jcrome04 Posted August 18, 2008 Share Posted August 18, 2008 If that doesn't help get the injectors pulled and cleaned. I did that on my old Lexus when it threw the same code, and it fixed it right up. Quote Link to comment Share on other sites More sharing options...
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