why did my 2003 pontiac grand prix backfire when i try to start it

Asked by Nov 02, 2013 at 01:39 AM about the 2003 Pontiac Grand Prix GT

Question type: Maintenance & Repair

2 Answers

just replaced upper n lower intake manifold gaskets wires plugs coil packs intake manifold

1,115

Extremely lean caused by new manifold gaskets leaking unmetered air or the spark plug wires are not going to the correct plugs.

Your Answer

Add photo

Related Questions

  • 2003 Pontaic Grand Prix SE 3 answers

    Why is the "ABS" and "Trac Off" light staying on in my 2003 Pontaic Grand Prix SE? It was just coming on once in a while but after a year, now it is on as soon as i start the car up.

    2003 Pontiac Grand Prix SE

    -

    Maintenance & Repair

  • 2002 Pontiac Grand Prix GT 1 answer

    Why won't my Pontiac Grand Prix GT start it cranks but wont start

    2002 Pontiac Grand Prix GT

    -

    Maintenance & Repair

  • pontiac grand prix gt 2003 2 answers

    pontiac grand prix gt 2003, suddenly would not start, has lights when u turn key with a click but no turn over, good battery. searched the memus and have seen suggestions from starter issues to s...

    2003 Pontiac Grand Prix GT

    -

    Maintenance & Repair

  • I have a 2002 Grand Prix Pontiac that will not start 2 answers

    My 2002 Grand Prix Pontiac does not start but when I click on it it wants to it acts like it flooding itself out and it tries to seize the motor but you can stop the key and turn it back on and it...

    2002 Pontiac Grand Prix GT

    -

    Maintenance & Repair

Search Pontiac Grand Prix Questions

Pontiac Grand Prix Experts

#1 Js08016
Js08016
Reputation 4,120
#2 Tom Demyan
Tom Demyan
Reputation 2,770
#3 munron
munron
Reputation 2,150
View All

Related Models For Sale

Used Chevrolet Impala
523 Great Deals out of 29,491 listings starting at $799
Used Pontiac Bonneville
546 listings starting at $3,699
Used Chevrolet Monte Carlo
12 Great Deals out of 1,407 listings starting at $1,995
Used Pontiac Grand Am
1,259 listings starting at $1,595
Used Pontiac GTO
3 Great Deals out of 453 listings starting at $5,995
Used Chevrolet Malibu
862 Great Deals out of 81,172 listings starting at $995
Used Chevrolet Camaro
144 Great Deals out of 32,807 listings starting at $1,995
Used Ford Mustang
371 Great Deals out of 46,937 listings starting at $1,999
Used Pontiac Firebird
6 Great Deals out of 742 listings starting at $2,500
Used Honda Accord
758 Great Deals out of 87,618 listings starting at $1,250

Used Cars For Sale

2007 Pontiac Grand Prix GT For Sale
79 listings starting at $2,999
2006 Pontiac Grand Prix GT For Sale
3 Great Deals out of 82 listings starting at $1,999