CEL P0171 / P0134 after getting A/C Expansion Valve replaced. Well maintained and no other issues before AC repair. Please advise what to check. Prefer not to take back to mechanic.

Asked by Jul 06, 2015 at 09:49 PM about the 2001 Mitsubishi Montero Sport XLS

Question type: Maintenance & Repair

Current miles 157704.

2 Answers

1,565

Code p0134 is bad oxygen sensor bank #1 code p0170 is bad oxygen sensor not heating up.

1 of 1 people found this helpful.

Thank you Bender. I did look up the code but I feel like it is too much of a coincidence for it to occur after taking it in and I do not want to bring it back to the same mechanic. Are there any test I can DIY to determine if the sensor is bad?

Your Answer

Add photo

Related Questions

Search Mitsubishi Montero Sport Questions

Mitsubishi Montero Sport Experts

#1 Daniel Foster
Daniel Foster
Reputation 600
#2 Jared Chase
Jared Chase
Reputation 420
#3 Tom Demyan
Tom Demyan
Reputation 320
View All

Related Models For Sale

Used Mitsubishi Montero
128 listings starting at $1,900
Used Toyota 4Runner
260 Great Deals out of 19,017 listings starting at $2,500
Used Nissan Pathfinder
282 Great Deals out of 22,987 listings starting at $1,499
Used Nissan Xterra
93 Great Deals out of 3,429 listings starting at $1,707
Used Honda CR-V
924 Great Deals out of 59,345 listings starting at $1,990
Used Jeep Grand Cherokee
1,022 Great Deals out of 72,251 listings starting at $700
Used Honda Accord
946 Great Deals out of 77,735 listings starting at $899
Used Toyota Tacoma
473 Great Deals out of 41,586 listings starting at $1,995
Used Ford Explorer
926 Great Deals out of 70,249 listings starting at $997
Used Ford Escape
1,438 Great Deals out of 90,835 listings starting at $900
Used Toyota RAV4
892 Great Deals out of 67,125 listings starting at $1,990
Used Toyota Highlander
362 Great Deals out of 26,007 listings starting at $2,800

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.