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

4,065

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 4,350
#2 Tom Demyan
Tom Demyan
Reputation 2,940
#3 munron
munron
Reputation 2,280
View All

Related Models For Sale

Used Chevrolet Impala
602 Great Deals out of 35,697 listings starting at $899
Used Pontiac Bonneville
5 Great Deals out of 535 listings starting at $1,799
Used Ford Mustang
741 Great Deals out of 44,990 listings starting at $1,500
Used Chevrolet Monte Carlo
12 Great Deals out of 1,413 listings starting at $995
Used Pontiac Grand Am
1,137 listings starting at $1,000
Used Chevrolet Camaro
355 Great Deals out of 31,423 listings starting at $2,500
Used Chevrolet Malibu
1,201 Great Deals out of 79,687 listings starting at $2,500
Used Pontiac Firebird
15 Great Deals out of 755 listings starting at $3,490
Used Nissan Maxima
341 Great Deals out of 24,536 listings starting at $1,999

Used Cars For Sale

2008 Pontiac Grand Prix For Sale
12 Great Deals out of 407 listings starting at $1,991
2007 Pontiac Grand Prix For Sale
377 listings starting at $5,499
2006 Pontiac Grand Prix For Sale
6 Great Deals out of 461 listings starting at $2,000
2005 Pontiac Grand Prix For Sale
5 Great Deals out of 371 listings starting at $2,350

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.