2007 Pontiac supercharged 3.8 reduced engine power

Asked by Roark84 Jun 13, 2020 at 09:01 PM about the 2007 Pontiac Grand Prix GT

Question type: Maintenance & Repair

Changed water pump and after putting it together
car will start but runs like crap then traction
control comes on then reduced engine power and
stalls out ran fine before

1 Answer
19,575

Jason answered 4 years ago

have the engine diagnostic codes read for more info. wires could be wet and arcing (just a guess). if idle is rough there could be a misfire.

1 people found this helpful.
Mark helpful

Your Answer:

Related Questions

  • 2007 Pontiac supercharged 3.8 reduced engine power 1 Answer

    Changed water pump and after putting it together car will start but runs like crap then traction control comes on then reduced engine power and stalls out ran fine before

    2007 Pontiac Grand Prix GT

    -

    Maintenance & Repair

  • Reduced Engine Power alert 2004 Pontiac Grand Prix GXP Supercharged 3 Answers

    I have this 2004 Pontiac Grand Prix GXP fully loaded 3.8 Supercharge and I just bought it last month (July). Well the first couple days of having it were FANTASTIC! However, the guy who sold me th...

    2004 Pontiac Grand Prix GTP

    -

    Maintenance & Repair

  • 2007 Grand Prix (3.8) 5 codes and Reduced Engine Power 2 Answers

    I have a 2007 Grand Prix (base model) which will randomly throw about 5 codes (plus a reduced engine power light). Misfire, Throttle body PS and accelerator PS then two pending codes for the TBPS an...

    2007 Pontiac Grand Prix Base

    -

    Maintenance & Repair

  • How do I reset the engine light in my 98 Pontiac Grand Prix 3.8 Supercharged Engine 2 Answers

    I have done a lot of work on my 98 Pontiac Grand Prix 3.8 Supercharged Engine and the engine light is still on. How do I reset it?

    1998 Pontiac Grand Prix 4 Dr GTP Supercharged Sedan

    -

    Maintenance & Repair

  • Reduced engine power 4 Answers

    I have a 2004 Pontiac Grand Prix and when I turn the key to start it doesn't crank. It says reduced engine power

    2004 Pontiac Grand Prix

    -

    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 G8
1 listing
Used Chevrolet Impala
7 Great Deals out of 93 listings starting at $3,531
Used Dodge Charger
39 Great Deals out of 727 listings starting at $5,995
Used Pontiac GTO
3 listings
Used Pontiac Grand Am
1 listing
Used Ford Mustang
60 Great Deals out of 1,365 listings starting at $4,995
Used Pontiac G6
12 listings
Used Chevrolet Corvette
22 Great Deals out of 1,084 listings starting at $15,000
Used Chevrolet Monte Carlo
5 listings starting at $9,449
Used Jeep Grand Cherokee
113 Great Deals out of 3,142 listings starting at $3,995
Used Chevrolet Silverado 1500
222 Great Deals out of 5,872 listings starting at $2,975

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.