Misfire under load,ils,

Asked by NDDragon62 Jun 05, 2018 at 12:31 AM about the 2000 Pontiac Grand Prix GT

Question type: Maintenance & Repair

I give

2 Answers
18,725

munron answered 6 years ago

Worn out spark plugs? Plugged catalytic converter?

1 people found this helpful.
Mark helpful

NDDragon62 answered 6 years ago

I don't k,ow about the converter but I did put almost 8000 miles on cheap plugs, makes sense and about the only thing I haven't tried,...thank you

Mark helpful

Your Answer:

Related Questions

  • Misfire under load,ils, 2 Answers

    I give

    2000 Pontiac Grand Prix GT

    -

    Maintenance & Repair

  • Looses power under load and over halfj 1 Answer

    Over half throttle drops comleatly out of gear and revs high No power under load sounds l

    2002 Pontiac Grand Prix SE

    -

    Maintenance & Repair

  • Random misfire no check engine light 1 Answer

    Changed MAFS 3x, plugs, wires, O2 sensors, TPS, AIC, MAP, COILS, ignition module, coolant temp sensor, crank and cam sensor, catilytic converter. If I unplug the MAFS the random misfire goes away. A...

    2000 Pontiac Grand Prix GTP

    -

    Maintenance & Repair

  • Fuel Injector Misfire 0304 error 2006 Pontiac Grand Prix, 3.8L, base 2 Answers

    2006 Pontiac Grand Prix, 3.8L, base Cylinder 4 misfire at startup and under hill climb load Completed - new plugs/wires, new ignition coils, cleaned injectors, then replaced #4 injector. I also have a...

    2006 Pontiac Grand Prix Base

    -

    Maintenance & Repair

  • Random/ multiple misfire 2 Answers

    So recently my check engine light came on for multiple misfire and some other things. I changed what it said was wrong it worked for all of about an hour. After that i got another multiple misfire ...

    2006 Pontiac Grand Prix GT

    -

    Maintenance & Repair

Shortcuts

Search Pontiac Grand Prix Questions

CarGurus Experts

  • #1
    munron
    Reputation
    8,230
  • #2
    James Sparrow
    Reputation
    7,530
  • #3
    Dorian Hendricks
    Reputation
    6,190
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Pontiac Bonneville
1 listing
Used Chevrolet Impala
7 Great Deals out of 78 listings starting at $3,495
Used Chevrolet Camaro
25 Great Deals out of 263 listings starting at $10,500
Used Chevrolet Monte Carlo
4 listings starting at $9,449
Used GMC Sierra 1500
120 Great Deals out of 6,556 listings starting at $3,975
Used Chevrolet Malibu
44 Great Deals out of 1,037 listings starting at $4,495
Used Chevrolet Tahoe
11 Great Deals out of 912 listings starting at $4,998
Used Ford Mustang
60 Great Deals out of 1,256 listings starting at $3,000
Used Toyota Camry
66 Great Deals out of 1,047 listings starting at $2,995

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. Content will be removed if CarGurus becomes aware that it violates our policies.