It won't boost properly. The Guage only goes half way up and feels weak and almost like hesitates

Asked by Mar 15, 2016 at 09:23 AM about the 1999 Pontiac Grand Prix 4 Dr GTP Supercharged Sedan

Question type: Maintenance & Repair

Hi , I have a 1999 Grand Prix gtp that seems to not
be boosting correctly .... Why? I changed the plugs
the wires put a new catalytic converter on it . It feels
like a misfire kind of but then it feels like it's
something else at first I thought maybe the boost
gauge was broken ... Because when you get on it
and try take off . It only goes half way up any help
or suggestions greatly appreciated thank you .

1 Answer

3,875

Scan it for trouble codes. That will likely give you some guidance.

Your Answer

Add photo

Related Questions

Search Pontiac Grand Prix Questions

Pontiac Grand Prix Experts

#1 Js08016
Js08016
Reputation 4,160
#2 Tom Demyan
Tom Demyan
Reputation 2,830
#3 munron
munron
Reputation 2,180
View All

Related Models For Sale

Used Chevrolet Impala
521 Great Deals out of 31,726 listings starting at $1,450
Used Pontiac Bonneville
3 Great Deals out of 533 listings starting at $1,799
Used Pontiac Grand Am
1,215 listings starting at $1,999
Used Chevrolet Monte Carlo
21 Great Deals out of 1,408 listings starting at $1,995
Used Ford Mustang
472 Great Deals out of 45,735 listings starting at $1,999
Used Chevrolet Malibu
948 Great Deals out of 79,664 listings starting at $1,500
Used Chevrolet Camaro
226 Great Deals out of 30,943 listings starting at $1,217
Used Ford Taurus
246 Great Deals out of 20,434 listings starting at $699
Used Honda Accord
813 Great Deals out of 84,287 listings starting at $1,050

Used Cars For Sale

2008 Pontiac Grand Prix For Sale
17 Great Deals out of 429 listings starting at $1,500
2007 Pontiac Grand Prix For Sale
4 Great Deals out of 392 listings starting at $2,500
2006 Pontiac Grand Prix For Sale
456 listings starting at $2,675
2005 Pontiac Grand Prix For Sale
5 Great Deals out of 351 listings starting at $1,895

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.