rotten egg smell coming through the vents

Asked by Jun 21, 2011 at 01:01 PM about the 2005 Chevrolet Cobalt Base

Question type: Maintenance & Repair

It only does it when the car gets hot and has been driven 20 mins. or more. It doesnt matter if the air is on or not. There is not a rotten egg smell anywhere outside the car. I can't figure out where it is comming from. please help

2 Answers

355

cat converter or converters...noooo good..!!!

8,015

agree that the catalytic converter is bad, futhermore; is the engine running cool(temp gauge toward cold)? if so replace thermostat.

Your Answer

Chevrolet Cobalt Experts

  • #1
    lightGear
    Reputation
    1,200
  • #2
    munron
    Reputation
    1,120
  • #3
    dandyoun
    Reputation
    970
View All

Related Models For Sale

Used Chevrolet Malibu
1,034 Great Deals out of 62,796 listings starting at $880
Used Honda Civic
834 Great Deals out of 61,319 listings starting at $950
Used Chevrolet Impala
578 Great Deals out of 34,544 listings starting at $900
Used Ford Focus
739 Great Deals out of 62,867 listings starting at $900
Used Ford Mustang
602 Great Deals out of 39,738 listings starting at $1,988
Used Honda Accord
1,111 Great Deals out of 74,387 listings starting at $1,100
Used Toyota Corolla
963 Great Deals out of 66,718 listings starting at $1,699
Used Toyota Camry
1,104 Great Deals out of 87,563 listings starting at $995
Used Dodge Charger
441 Great Deals out of 33,929 listings starting at $1,999
Used Mazda MAZDA3
330 Great Deals out of 28,117 listings starting at $899
Used Nissan Altima
1,216 Great Deals out of 77,843 listings starting at $1,695
Used Nissan Sentra
750 Great Deals out of 51,213 listings starting at $2,200

Used Cars For Sale

2010 Chevrolet Cobalt Base For Sale
99 listings starting at $2,499

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.