2001Pontiac grand prix gt 3800 motor chugs after it gets warm. put fule injector cleaner in it changed air flow sensor and throttle postion sensor new plug wires . does anyone have a clue what it ma.

Asked by Mar 13, 2016 at 04:15 PM about the Pontiac Grand Prix

Question type: Maintenance & Repair

1 Answer

4,855

That's a pretty vague description of the problem so its hard to say. Check for codes to see what the car is telling you. Also could be a plugged catalytic converter. Any muffler shop can diagnose that for you. Remove it if its legal to do that where you live, otherwise you will need a new one.

Your Answer

Pontiac Grand Prix Experts

  • #1
    Js08016
    Reputation
    4,650
  • #2
    Tom Demyan
    Reputation
    3,220
  • #3
    munron
    Reputation
    2,690
View All

Related Models For Sale

Used Chevrolet Impala
397 Great Deals out of 25,595 listings starting at $799
Used Dodge Charger
242 Great Deals out of 32,689 listings starting at $1,800
Used Pontiac G8
4 Great Deals out of 317 listings starting at $4,688
Used Chevrolet Monte Carlo
3 Great Deals out of 937 listings starting at $3,900
Used Pontiac Bonneville
316 listings starting at $3,395
Used Chevrolet Camaro
224 Great Deals out of 28,922 listings starting at $3,900
Used Pontiac GTO
358 listings starting at $2,950
Used Pontiac G6
27 Great Deals out of 2,876 listings starting at $699
Used Ford Mustang
270 Great Deals out of 37,082 listings starting at $2,150
Used Pontiac Grand Am
723 listings starting at $1,700
Used Chevrolet Malibu
480 Great Deals out of 49,315 listings starting at $2,000
Used Chrysler 300
313 Great Deals out of 19,328 listings starting at $1,899
Used Dodge Challenger
111 Great Deals out of 25,139 listings starting at $7,995
Used Pontiac Firebird
7 Great Deals out of 674 listings starting at $3,695
Used Nissan Maxima
200 Great Deals out of 17,499 listings starting at $1,900

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.