lexus rx 300 po171 code

Asked by o2man Jan 10, 2017 at 01:47 PM

Question type: Maintenance & Repair

po171 code keeps appearing after o2 sensor replaced - bank 1 to lean

1 Answer

F_O_R answered 7 years ago

I suspect you have two sensors on each side, one before and one after the cat. You may need to check or replace both of them.

Mark helpful

Your Answer:

Related Questions

  • lexus rx 300 po171 code 1 Answer

    po171 code keeps appearing after o2 sensor replaced - bank 1 to lean

    Maintenance & Repair

  • Scan code P0171 for 1999 Lexus RX 300 6 Answers

    My wife drives the 1999 Lexus RX 300. The check engine light came on recently. We diagnosed with code P0171 for too lean bank 1. We did clean the MAF sensor but the problem is still there. We also s...

    1999 Lexus RX 300 AWD

    -

    Maintenance & Repair

  • Lexus Rx 300 3 Answers

    While driving my Lexus all of a sudden it stop moving engine still on but It wouldn't go forward or backward Can someone tell me What could be the problem

    2001 Lexus RX

    -

    Maintenance & Repair

  • Key lexus rx 300 1999 1 Answer

    I have three keys to my Lexus RX300 it's a 1999 all of them aren't Factory keys I don't believe my key will not it'll turn over but it won't start the ignition at all there's gas there's fluids in ...

    1999 Lexus RX 300 AWD

    -

    Maintenance & Repair

  • Pulley alignment for 2002 Lexus RX 300 1 Answer

    I just replaced the alternator in my 2002 Lexus 300 RX , but now the alternator belt is constantly squealing very loud. I believe it's pulley misalignment I did the spray water test and it did st...

    2002 Lexus RX 300 FWD

    -

    Maintenance & Repair

Own this car?

Share your experience with others.
Write a car review

Shortcuts

Search Maintenance & Repair Questions

CarGurus Experts

  • #1
    Gene Arnett
    Reputation
    245,090
  • #2
    Rowefast
    Reputation
    183,720
  • #3
    dandyoun
    Reputation
    169,340
View All

Know more, shop wisely

Search

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.