what does P1158 HO25 failed to switch to lean/BankB

Asked by 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

5,075

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.

Your Answer

Add photo

Related Questions

Search Land Rover Discovery Questions

Land Rover Discovery Experts

#1 Simon Briggs
Simon Briggs
Reputation 430
#2 chassy
chassy
Reputation 360
#3 Matt Mankinen
Matt Mankinen
Reputation 350
View All

Related Models For Sale

Used Land Rover Range Rover
100 Great Deals out of 4,367 listings starting at $3,500
Used Land Rover Defender
102 listings starting at $38,800
Used Toyota 4Runner
252 Great Deals out of 20,494 listings starting at $1,800
Used Jeep Wrangler
277 Great Deals out of 18,163 listings starting at $2,950
Used Toyota Land Cruiser
18 Great Deals out of 1,120 listings starting at $3,700
Used Jeep Grand Cherokee
1,026 Great Deals out of 74,887 listings starting at $750

Used Cars For Sale

2017 Land Rover Discovery For Sale
256 listings starting at $61,988
2003 Land Rover Discovery For Sale
60 listings starting at $4,999

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.