Maybe fuel

Asked by Jan 13, 2017 at 08:00 PM about the 2004 Pontiac Grand Prix GT1

Question type: Maintenance & Repair

I had a code read mas airflow sensor so I replaced
it but my car still acts like it looses fuel power and
rpms after 20mph then it drives great I can't seem
to figure this issue out any ideas ?

1 Answer

77,855

Try running some fuel injection cleaner threw a few tanks. Other wise you could check the spark plugs & fuel pressure, it should be around 30 lbs. I would need to know the engine size and if it is coil on plug set-up to give you more info.

1 of 1 people found this helpful.

Your Answer

Pontiac Grand Prix Experts

  • #1
    Js08016
    Reputation
    4,470
  • #2
    Tom Demyan
    Reputation
    3,120
  • #3
    munron
    Reputation
    2,550
View All

Related Models For Sale

Used Chevrolet Impala
181 Great Deals out of 1,051 listings starting at $2,495
Used Chevrolet Malibu
96 Great Deals out of 1,755 listings starting at $888
Used Chevrolet Monte Carlo
18 listings starting at $4,900
Used Pontiac G6
4 Great Deals out of 132 listings starting at $3,488
Used Ford Mustang
5 Great Deals out of 1,029 listings starting at $3,995
Used Nissan Maxima
37 Great Deals out of 362 listings starting at $2,495
Used Pontiac GTO
3 listings starting at $13,900
Used Pontiac Grand Am
30 listings
Used Chrysler 300
113 Great Deals out of 853 listings starting at $1,888
Used Honda Accord
56 Great Deals out of 1,205 listings starting at $1,888
Used Toyota Camry
87 Great Deals out of 2,221 listings starting at $1,900

Used Cars For Sale

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.