why low MPG

Asked by Mar 14, 2017 at 01:20 PM about the 2005 Pontiac Bonneville SLE

Question type: Maintenance & Repair

getting 10 MPG. was getting 28 MPG

2 Answers

74,375

That is a major drop in mileage. I would start with a tune up and filter change. Have the catalytic converter inspected and make sure they check the plugs for carbon fouling in case you have a leaking fuel injector.

1 of 1 people found this helpful.
250,915

Is the vehicle running poorly? Check engine light on? Any new noises?

Your Answer

Pontiac Bonneville Experts

  • #1
    ticklemedaly
    Reputation
    390
  • #2
    Js08016
    Reputation
    360
  • #2
    dandyoun
    Reputation
    360
View All

Related Models For Sale

Used Pontiac Grand Prix
35 Great Deals out of 2,731 listings starting at $1,200
Used Chevrolet Impala
588 Great Deals out of 34,659 listings starting at $1,000
Used Dodge Charger
467 Great Deals out of 27,625 listings starting at $1,650
Used Chevrolet Monte Carlo
11 Great Deals out of 1,353 listings starting at $995
Used Pontiac GTO
10 Great Deals out of 463 listings starting at $5,995
Used Pontiac Grand Am
1,091 listings starting at $1,599
Used Chrysler 300
360 Great Deals out of 16,732 listings starting at $1,000
Used Buick LeSabre
24 Great Deals out of 1,873 listings starting at $1,588
Used Pontiac G6
79 Great Deals out of 3,898 listings starting at $1,800
Used Chevrolet Malibu
1,230 Great Deals out of 78,092 listings starting at $1,500
Used Ford Mustang
762 Great Deals out of 42,755 listings starting at $1,300

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.