what does P1158 HO25 failed to switch to lean/BankB

Asked by Loretta Aug 30, 2012 at 02:55 AM about the 1997 Land Rover Discovery

Question type: Maintenance & Repair

wont pass smog due to high emissions and the check engine light wont turn off. all the censors have been changed. what is P1158 HO25 failed to switch to lean/bank b

1 Answer

9,575

The exhaust oxygen sensor (HO2S) of Bank B (right hand side of the engine) is giving a faulty or no signal, check the wires going to it and ensure the sensor was actually replaced.

1 people found this helpful.

Your Answer:

CarGurus Experts

  • #1
    Simon Briggs
    Reputation
    790
  • #2
    Matt Mankinen
    Reputation
    670
  • #3
    chassy
    Reputation
    490
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Land Rover Defender
5 Great Deals out of 293 listings starting at $55,995
Used Land Rover Range Rover
16 Great Deals out of 375 listings starting at $14,988
Used Jeep Wrangler
133 Great Deals out of 5,957 listings starting at $8,990
Used Toyota 4Runner
27 Great Deals out of 553 listings starting at $7,700
Used Toyota Land Cruiser
12 listings starting at $42,990

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.