i will fill up the gas tank on monday and by wednesday its on a quarter of a tank. what causes this?
5

Asked by roderick_williams_18... Sep 20, 2014 at 05:26 PM about the 2006 GMC Envoy Denali

Question type: Maintenance & Repair

5 Answers
62,755

BoholMark answered 9 years ago

Do you have a CEL light on the dashboard? The place to start is the emission system, like the O2 sensors.

Best Answer Mark helpful
62,755

BoholMark answered 9 years ago

Change them all at the same time. In my experience if one go's your other ones are not far away from failing and you'll be back under the vehicle again.

Mark helpful
62,755

BoholMark answered 9 years ago

BTW. Don't use the universal O2 sensors. They are crap! Use the same kind that came out of it.

Mark helpful

Your Answer:

Related Questions

Envoy

Looking for a Used Envoy in your area?

CarGurus has 2 nationwide Envoy listings starting at $6,900.

Postal Code:

Shortcuts

Search GMC Envoy Questions

CarGurus Experts

  • #1
    FJ4072
    Reputation
    2,680
  • #2
    NITROGLORY1
    Reputation
    1,730
  • #3
    Ria Gonzalez
    Reputation
    860
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used GMC Acadia
34 Great Deals out of 647 listings starting at $6,900
Used Chevrolet Trailblazer
14 Great Deals out of 1,365 listings starting at $18,995
Used GMC Yukon
16 Great Deals out of 967 listings starting at $3,000
Used Chevrolet Tahoe
12 Great Deals out of 806 listings starting at $9,980
Used Ford Explorer
51 Great Deals out of 2,017 listings starting at $6,990
Used GMC Canyon
16 Great Deals out of 877 listings starting at $5,477
Used Chevrolet Silverado 1500
195 Great Deals out of 7,896 listings starting at $3,000
Used Toyota 4Runner
27 Great Deals out of 553 listings starting at $7,700
Used Jeep Grand Cherokee
140 Great Deals out of 3,673 listings starting at $5,555
Used Chevrolet Equinox
93 Great Deals out of 3,272 listings starting at $1,695

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. Content will be removed if CarGurus becomes aware that it violates our policies.