How do I know if I need a catalytic convertor or a oxygen sensor on. my 2003 hyndia elentra? I called the dealership parts and they have only sold two.

Asked by Mar 22, 2015 at 12:15 PM about the 2003 Hyundai Elantra GLS

Question type: Maintenance & Repair

Engine check light is on. Just put in new plugs and wires.

1 Answer

222,585

Did you scan the car for the fault codes since the engine light is on? Post the 4 digit codes back here.

Your Answer

Add photo

Related Questions

  • 2002 Hyundai Elantra GT OBD code P1166 and code P0133 (automatic transmission) 10 answers

    Someone on this site had a similar problem with no resolution. I have changed the upstream oxygen sensor 4 times...two with aftermarket and two with parts from the dealer. I have changed the downstr...

    2002 Hyundai Elantra GT

    -

    Maintenance & Repair

  • Engine light refuses o go out 34 answers

    The engine light went on and was triggered by a 'faulty' oxygen sensor. The upstream sensor was replaced, twice with a generic sensor, then with a hyundai sensor, the downstream sensor was also repl...

    2002 Hyundai Elantra GT

    -

    Maintenance & Repair

  • Engine stalls / hesitations at idle and low acceleration 66 answers

    Model: 1999 Hyundai Elantra GLS 2.0l DOHC Odometer: 78,000 Recent work: replaced MAF with new, cleaned ignition plate, ran through 1 tank with Techron fuel system cleaner. The problem has a few vari...

    1999 Hyundai Elantra 4 Dr GLS Wagon

    -

    Maintenance & Repair

  • My 2012 Hyundai Elantra Wont Start 77 answers

    My 2012 hyundai Elantra GLS would not start this morning. I was home at 5 pm on the 29th of July and my car sat till 6:59 am on the 30th of July. I hit my door unlock on mt Key fab and the doors un...

    2012 Hyundai Elantra GLS

    -

    Maintenance & Repair

  • Does anyone have any ideas what i can do to make my hyundai elantra a little more mean and have a little more power? 30 answers

    I am trying to make my hyundai a little bit more powerfull and custom. i cannot find any parts that i can get in the states. only in canada. kinda way outa my way. and a tad bit expensive. does anyone...

    2007 Hyundai Elantra 4 Dr GLS

    -

    Car Customization

Search Hyundai Elantra Questions

Hyundai Elantra Experts

#1 pittgirl
pittgirl
Reputation 1,980
#2 Carrie Shelton
Carrie Shelton
Reputation 1,370
#3 tenspeed
tenspeed
Reputation 1,010
View All

Related Models For Sale

Used Hyundai Sonata
605 Great Deals out of 51,051 listings starting at $1,300
Used Honda Civic
668 Great Deals out of 77,418 listings starting at $1,000
Used Toyota Corolla
874 Great Deals out of 74,435 listings starting at $1,500
Used Honda Accord
812 Great Deals out of 81,611 listings starting at $899
Used Toyota Camry
1,096 Great Deals out of 96,274 listings starting at $1,250
Used Hyundai Accent
185 Great Deals out of 12,562 listings starting at $150
Used Nissan Altima
1,079 Great Deals out of 82,567 listings starting at $670
Used Kia Optima
517 Great Deals out of 31,016 listings starting at $2,000
Used Ford Focus
696 Great Deals out of 58,725 listings starting at $995
Used Mazda MAZDA3
234 Great Deals out of 28,930 listings starting at $895
Used Nissan Sentra
601 Great Deals out of 52,963 listings starting at $1,799

Used Cars For Sale

2014 Hyundai Elantra GLS For Sale
16 listings starting at $10,900
2013 Hyundai Elantra GLS For Sale
118 Great Deals out of 3,087 listings starting at $4,999