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

73,055

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
    4,370
  • #2
    Tom Demyan
    Reputation
    2,980
  • #3
    munron
    Reputation
    2,350
View All

Related Models For Sale

Used Chevrolet Impala
612 Great Deals out of 34,798 listings starting at $1,250
Used Pontiac Bonneville
519 listings starting at $1,799
Used Chevrolet Monte Carlo
12 Great Deals out of 1,350 listings starting at $995
Used Pontiac Grand Am
1,102 listings starting at $1,599
Used Ford Mustang
755 Great Deals out of 42,818 listings starting at $1,300
Used Pontiac G6
81 Great Deals out of 3,901 listings starting at $1,800
Used Pontiac GTO
7 Great Deals out of 465 listings starting at $5,995
Used Chevrolet Malibu
1,249 Great Deals out of 78,130 listings starting at $1,500
Used Chrysler 300
360 Great Deals out of 16,787 listings starting at $1,000
Used Honda Accord
1,030 Great Deals out of 63,283 listings starting at $999

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.