My 2001 Galant popped the po431 code. Would that be the O2 sensor on the catalytic converter necessarily or could it be one of the O2 sensors on the exhaust? Or possibly entire catalytic converter?

Asked by Jan 16, 2012 at 03:25 PM about the Mitsubishi Galant

Question type: Maintenance & Repair

Need help to pass emissions!  PO431! Catalytic Converter/O2 Sensor! Help!

1 Answer

115

Type P0431 into Google search and select the obd codes website. It informs you what the code is and the potential fixes for your particular code.

2 of 2 people found this helpful.

Your Answer

Mitsubishi Galant Experts

  • #1
    Tom Demyan
    Reputation
    770
  • #1
    dandyoun
    Reputation
    770
  • #3
    Daniel Foster
    Reputation
    580
View All

Related Models For Sale

Used Mitsubishi Lancer
77 Great Deals out of 5,860 listings starting at $1,699
Used Honda Accord
1,116 Great Deals out of 61,915 listings starting at $999
Used Nissan Altima
1,030 Great Deals out of 75,527 listings starting at $1,627
Used Mitsubishi Eclipse
24 Great Deals out of 1,200 listings starting at $1,795
Used Toyota Camry
1,046 Great Deals out of 72,499 listings starting at $295
Used Mitsubishi Lancer Evolution
21 Great Deals out of 576 listings starting at $14,000
Used Mitsubishi Outlander
60 Great Deals out of 9,703 listings starting at $900
Used Nissan Maxima
285 Great Deals out of 23,218 listings starting at $899
Used Hyundai Sonata
716 Great Deals out of 50,172 listings starting at $500
Used Toyota Corolla
916 Great Deals out of 57,563 listings starting at $1,488
Used Honda Civic
819 Great Deals out of 73,281 listings starting at $1,400
Used Chevrolet Malibu
1,120 Great Deals out of 71,719 listings starting at $1,995
Used Mitsubishi Mirage
34 Great Deals out of 4,007 listings starting at $3,987
Used BMW 3 Series
1,161 Great Deals out of 33,172 listings starting at $1,000
Used Audi A4
274 Great Deals out of 11,336 listings starting at $1,999

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.