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

74,595

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
    4,400
  • #2
    Tom Demyan
    Reputation
    3,040
  • #3
    munron
    Reputation
    2,460
View All

Related Models For Sale

Used Chevrolet Impala
546 Great Deals out of 35,022 listings starting at $900
Used Pontiac Bonneville
545 listings starting at $2,995
Used Pontiac G6
72 Great Deals out of 3,855 listings starting at $1,600
Used Chevrolet Monte Carlo
5 Great Deals out of 1,266 listings starting at $1,488
Used Ford Mustang
616 Great Deals out of 36,130 listings starting at $1,800
Used Pontiac Grand Am
1,261 listings starting at $994
Used Pontiac GTO
13 Great Deals out of 488 listings starting at $5,995
Used Chevrolet Malibu
968 Great Deals out of 66,469 listings starting at $1,000
Used Chrysler 300
302 Great Deals out of 17,877 listings starting at $990
Used Nissan Maxima
281 Great Deals out of 22,801 listings starting at $1,499

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.