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

6,895

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

Question type: Maintenance & Repair

4 Answers

7,525

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?

6,895

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

7,525

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

7,525

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

Add photo

Related Questions

Grand Am

Looking for a Used Grand Am in your area?

CarGurus has 1,088 nationwide Grand Am listings starting at $1,599.

ZIP:

Search Pontiac Grand Am Questions

Pontiac Grand Am Experts

#1 tenspeed
tenspeed
Reputation 7,760
#2 John Saffrahn
John Saffrahn
Reputation 1,610
#3 Tom Demyan
Tom Demyan
Reputation 1,520
View All

Related Models For Sale

Used Pontiac Grand Prix
39 Great Deals out of 2,767 listings starting at $1,200
Used Pontiac Firebird
11 Great Deals out of 816 listings starting at $1,900
Used Chevrolet Impala
567 Great Deals out of 34,674 listings starting at $1,000
Used Ford Mustang
731 Great Deals out of 42,727 listings starting at $1,300
Used Pontiac Bonneville
522 listings starting at $1,799
Used Chevrolet Malibu
1,217 Great Deals out of 78,026 listings starting at $1,500
Used Honda Civic
817 Great Deals out of 78,129 listings starting at $900
Used Chevrolet Camaro
423 Great Deals out of 31,642 listings starting at $2,395
Used Honda Accord
995 Great Deals out of 62,553 listings starting at $999
Used Chevrolet Monte Carlo
13 Great Deals out of 1,353 listings starting at $995
Used Ford Taurus
262 Great Deals out of 17,944 listings starting at $1,499

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.