i have a 2003 gran prix gt the car runs great but when its hot out or if i make a few stops the car wont start if i let it sit for a hr or two it starts right up any help would be appreciated thank you

Asked by May 29, 2015 at 07:12 PM about the 2003 Pontiac Grand Prix GT

Question type: Car Customization

i have a 2003 gran prix gt the car runs great but when its hot out or if i make a few stops
the car wont start if i let it sit for a hr or two it starts right up any help would be
appreciated thank you

5 Answers

73,975

Have the fuel pressure checked,sound,s like fuel pump may be getting hot and shutting down,all so check the relay.

1 people found this helpful.

Ok thx I will get it checked out

78,025

When it refuses to start, check for spark. Sometimes an ignition control module will work perfectly when cold but break down or fail when hot. HTH. -Jim

1 people found this helpful.
35

Try changing the ECT sensor.

1 people found this helpful.

Ok thx

Your Answer

Grand Prix

Looking for a Used Grand Prix in your area?

CarGurus has 1,805 nationwide Grand Prix listings starting at $2,008.

ZIP:

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 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 Ford Mustang
270 Great Deals out of 37,081 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 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

Used Cars For Sale

2007 Pontiac Grand Prix GT For Sale
42 listings starting at $2,725

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.