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kathyc

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  • Lexus Model
    1999 RX300

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  1. Good afternoon all, Well, as instructed, I took my vehicle to Autozone and a diagnostics was run. The code was "P0171". The gentleman who helped me reset the 'check engine light' and said if it came back on, to return to him and he will run another diagnostic on it to see if the same code comes up. I had him write all this down for me, but this is what he wrote: "P0171 - O2 sensor on bank 1-system too lean. x2. 1)incorrect fuel injector pulse, 2) faulty O2 sensor. Do I or should I wait to get whatever needs to be done until that light comes back on or is this something that needs addressing immediately and what exactly is the translation of all this? Thanks for all the help, kathyc
  2. Good Morning everyone, thank you for the response. My plan is exactly that, to go to Autozone get the computer code, come back here and get the Gurus of Lexus' advice. thanks again, kathyc
  3. This is my first post so be nice 1999 RX300, bought used in 2002 for 16.8K. Now has 122K mi on it;problem: check engine light/trac off lights came on today for the 2nd time in approx. 4 wks. It has had independent shop doing some work since I've had the vehicle. Work done: struts replaced; timing chain(?) replaced at 100K. Oil change 4 wks ago when light came on 1st time- I was told there was a misfire (I'm not sure) and fuel injector fluid added to the oil would solve the problem. The lights went off and now today they're back!! More serious problem? Go to my independent mechanic instead? Thank you for your help, kathyc
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