Vehicle sometimes looses power under acceleration rpm's drop a bit then go up and back down a bit then back up all under acceleration

7,395

Asked by Aug 15, 2012 at 10:13 PM about the 2002 Pontiac Grand Am GT Coupe

Question type: Maintenance & Repair

4 Answers

8,465

try replacing the sparkplugs and wires; one cylinder at a time. then see if it improves. has the transmission fluid ever been changed? and what is the car miles on the OD?

7,395

plugs changed within last 500 miles, trans service 36k ago odometer at 125k, just purchased the car but have the service history since 15k

8,465

change fuel filter? (if it has one) any check engine codes?

8,465

sparkplug wires can cause irregularities like what u describe.. there could be arcing from it. that would be another easy job to do. i change my wires in 5-7 years.

Your Answer

Grand Am

Looking for a Used Grand Am in your area?

CarGurus has 723 nationwide Grand Am listings starting at $1,700.

ZIP:

Pontiac Grand Am Experts

  • #1
    tenspeed
    Reputation
    8,040
  • #2
    Tom Demyan
    Reputation
    1,650
  • #3
    John Saffrahn
    Reputation
    1,640
View All

Related Models For Sale

Used Pontiac Grand Prix
4 Great Deals out of 1,805 listings starting at $2,008
Used Pontiac Firebird
7 Great Deals out of 674 listings starting at $3,695
Used Ford Mustang
270 Great Deals out of 37,082 listings starting at $2,150
Used Chevrolet Camaro
224 Great Deals out of 28,922 listings starting at $3,900
Used Chevrolet Impala
397 Great Deals out of 25,595 listings starting at $799
Used Chevrolet Malibu
480 Great Deals out of 49,315 listings starting at $2,000
Used Pontiac Bonneville
316 listings starting at $3,395
Used Honda Accord
424 Great Deals out of 101,059 listings starting at $1,200
Used Chevrolet Corvette
101 Great Deals out of 15,518 listings starting at $3,900
Used Chevrolet Monte Carlo
3 Great Deals out of 937 listings starting at $3,900

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.