what is wrong when there is high CO2 level in a 2005 Chevy Cobalt?

Asked by Mar 17, 2014 at 01:26 PM about the 2005 Chevrolet Cobalt Base

Question type: Maintenance & Repair

When the car goes above 20 miles an hour my check engine light flashes.  I had it checked at Auto Zone and the code gave a high CO2 level reading.

2 Answers

254,185

Can you post the 4 digit code?

2,835

Possible causes are 1) Faulty HO2S (Lambda) sensor or 2) Faulty coolant temp sensor.

Your Answer

Chevrolet Cobalt Experts

  • #1
    lightGear
    Reputation
    1,170
  • #2
    munron
    Reputation
    1,040
  • #3
    dandyoun
    Reputation
    960
View All

Related Models For Sale

Used Honda Civic
810 Great Deals out of 72,283 listings starting at $1,000
Used Chevrolet Malibu
1,101 Great Deals out of 71,672 listings starting at $1,896
Used Ford Focus
744 Great Deals out of 52,762 listings starting at $999
Used Chevrolet Impala
503 Great Deals out of 33,646 listings starting at $950
Used Ford Mustang
715 Great Deals out of 38,357 listings starting at $895
Used Toyota Corolla
887 Great Deals out of 56,798 listings starting at $1,099
Used Honda Accord
1,041 Great Deals out of 60,748 listings starting at $999
Used Toyota Camry
1,058 Great Deals out of 69,761 listings starting at $295
Used Dodge Charger
424 Great Deals out of 27,490 listings starting at $2,495
Used Chevrolet Cavalier
913 listings starting at $1,200
Used Honda Civic Coupe
220 Great Deals out of 14,504 listings starting at $1,495
Used Ford Fusion
1,027 Great Deals out of 71,302 listings starting at $1,200

Used Cars For Sale

2010 Chevrolet Cobalt Base For Sale
99 listings starting at $2,750

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.