Check engine light

Asked by May 12, 2016 at 05:49 PM about the 1999 Dodge Durango 4 Dr SLT 4WD SUV

Question type: Maintenance & Repair

My check engine light came on and my friend told to
check the oil and stuff and everything was fine so I scan it
with my obd2 it game p0420 and so early today I unplug
my battery to some stuff and when I turn on my car it was
off my question is. Is there still something wrong or not
since the light is off

4 Answers

170

You did clear the light when you unplugged the battery, but didn't fix the problem that's setting the code off. The light will come back if you don't fix it. P0420...you just have an O2 sensor that needs replacing...fairly common. However, if this is the sensor behind the catalytic converter, even if it's bad you shouldn't have any driveability issues, even with the light on. But if you have to have your vehicle inspected for emissions, you better replace it or you will certainly fail.

I figure it didn't say which o2 it was but I think might be the one after catalytic converter

Also so if the light doesn't come on it mean it fine right

I replaced my CO2 sensor, have a rebuilt engine, a rebuilt transmission, new catalytic converter, new battery, new front end suspension, new tires, alignment and my engine light is still on!! Please help me. Mine is also a 1999 Dodge Durango with the largest engine 5.9 4 wheel drive- does anyone know what it might be?

Your Answer

Durango

Looking for a Used Durango in your area?

CarGurus has 23,671 nationwide Durango listings starting at $1,495.

ZIP:

Dodge Durango Experts

  • #1
    Sigurður Guðmundsson
    Reputation
    2,820
  • #2
    Breanskis
    Reputation
    1,700
  • #3
    Matt Judkins
    Reputation
    920
View All

Related Models For Sale

Used Jeep Grand Cherokee
1,086 Great Deals out of 67,197 listings starting at $950
Used Chevrolet Tahoe
856 Great Deals out of 39,740 listings starting at $1,990
Used Ford Explorer
1,132 Great Deals out of 64,252 listings starting at $1,499
Used GMC Yukon
567 Great Deals out of 18,623 listings starting at $1,950
Used Ford F-150
3,237 Great Deals out of 224,155 listings starting at $1,300
Used Ford Expedition
448 Great Deals out of 17,436 listings starting at $1,000
Used Chevrolet Camaro
506 Great Deals out of 30,982 listings starting at $995
Used Dodge Ram 1500
381 Great Deals out of 11,012 listings starting at $1,800
Used GMC Sierra 1500
1,253 Great Deals out of 62,824 listings starting at $1,500

Used Cars For Sale

2018 Dodge Durango For Sale
11,756 listings starting at $25,709
2017 Dodge Durango For Sale
62 Great Deals out of 3,007 listings starting at $23,900
2016 Dodge Durango For Sale
50 Great Deals out of 998 listings starting at $21,488
2015 Dodge Durango For Sale
48 Great Deals out of 1,370 listings starting at $18,042
2014 Dodge Durango For Sale
86 Great Deals out of 1,722 listings starting at $13,760

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.