Question about Pontiac Grand Prix

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I have Pontiac Grand Prix se 3.1 liter it did pass inspection do high HC I change two fuel injector I change all spark plugs and wire what else do I need to do

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  • Pontiac Master
  • 11,037 Answers

Have it checked by a qualified repair shop that knows how to test

Posted on Apr 23, 2017

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: 1991 pontiac grand prix se won't start

Probably need the computer reset. All these cars now days are set up for the dealer to screw you. The fix yourself is about history

Posted on Mar 16, 2009

  • 632 Answers

SOURCE: 1990 Pontiac grand prix bogs down, and wants to

Have you checked the ignition module? More info such as eng size would be helpful to help you.

Posted on Aug 02, 2009

motor1258
  • 6674 Answers

SOURCE: spark plug gap for 2005 pontiac grand prix gt 3.8

.060 thousandths of an inch.

Posted on Nov 19, 2009

  • 1757 Answers

SOURCE: have 1988 pontiac grand prix se with 2.8 v6

My sincere apologies for the delayed response.
I am personally going back to answer your unanswered question.


For the 2.8L
Firing Order:
1-2-3-4-5-6

Cylinders:
......(back)
1.......3.......5
2.......4.......6
......(front)

Ignition Connections (Spark Coils):
........(back)
.|.1..4.|.|.6..3.|.|.2..5.|
........(front)

Again my apologies....
Let me know if this helped...

Posted on Mar 16, 2010

  • 1757 Answers

SOURCE: GM 3.8 liter supercharge v6 firing order 2000

For the 2000 Pontiac Grand Prix:
I do not know if you have the 3.1L V6 or the 3.8L (including Super Charger) V6; however I have included both below...

For the 3.1L V6:
Firing Order:
1-2-3-4-5-6
Cylinders:
......(back).......
'...1....3....5...'
____________
'...2....4....6...'
.......(front)
Ignition Coil Connections:
.'.5..2.'..'.3..6.'..'.4..1.'


For the 3.8L V6 including the Super Charger:
Firing Order:
1-6-5-4-3-2
Cylinders:
.....(back).......
'...2....4....6...'
____________
'...1....3....5...'
......(front)
Ignition Coil Connections:
(back)
o 6
o ---3
___
o 2
o ---5
___
o 4
o ---1
(front)

Let me know if this helped, or if you have additional information or questions. Feel Free to contact us at FixYa.com!

Posted on Oct 08, 2010

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2 Answers

My 2006 Pontiac grand Prix cranks but no start


If it cranks good but won't start, check the basics. Have a helper it while you check for spark at the plugs, if spark everywhere, use a gage and check proper fuel pressure. Also, check fuel injector pulse.
I don't know liter size of engine? Sometimes checking spark may be a little more involved if no spark plug wires.
When checking fuel pressure, if no Schrader valve on the fuel rail, then you tie into the supply line to check fuel pressure.
Any applicable trouble codes? To check codes yourself, at the least, you need an obd2 code reader.

Mar 02, 2017 | Pontiac Cars & Trucks

3 Answers

Removing Plug Wires from '02 Pontiac Grand Prix, 3.8 Liter V6


often times the connection inside the plug boot gets corroded and it's almost impossible to remove the wires with out damage. when this happens I gennerally replace the wires anyway this saves you problems in the long run . the sparkplug wire removalk pliers are a good investment however they are only as good if the boots themselves are not siezed up on the plugs. I have had this happen alot over the 20 years i been working on vehicles. I usually just twist and pull on the boots till they come off and not worry about damaging them because they should get replaced anyway the new plug wires have a antiseize lubricant to keep from this happening in the future

Apr 26, 2009 | Pontiac Grand Prix Cars & Trucks

1 Answer

My pontic grand prix super charger


You will have to determine the source of your no start. Highly unlikely a fuse issue. You need to find out if the vehicle has spark to the spark plugs and fuel to the injectors. If either is not there, the vehicle will not start

Jun 13, 2015 | 2008 Pontiac Grand Prix GXP

2 Answers

HELLLP!!! PLEASE!


try checking the fuel pump. most fuel pumps have a filter on them in the tank if they get dirty or plugged it could cause the car to act up.

Mar 15, 2012 | 2003 Pontiac Grand Prix

1 Answer

Motor running rough. Missing. What are some common problems with the motor?


You could have a faulty fuel injector, a bad spark plug or wire or even a bad coil. The 3.1 liters are notorious for having bad fuel injectors If there is a check engine light then you can get the code and find out which cylinder is misfiring then go from there. Or you could get the vehicle to misfire then pull of each individual injector wire to see which cylinder is misfiring, you will know which one is misfiring because when you disconnect the wire you will not feel any change at all. If you unplug one of the injectors to a cylinder that is not misfiring it will misfire much more.

Dec 22, 2010 | 1999 Pontiac Grand Prix

1 Answer

2006 pontiac grand prix recevied code P0303, changed spark plugs, wires, and fuel injector. Car still shakes and check enigine light is still on. Acceleration is fine.


Spark plugs,wires and injectors, have nothing to do with your problem

PO303 is a misfire on cylinder #3
You may have an individual cylinder coil for that cyl or a coil pack for
several cyl,don't know the engine you have.

You may also have other issues that are causing the shaking

Nov 28, 2010 | 2006 Pontiac Grand Prix

1 Answer

1996 Grand Prix: How much for a tune up for my Pontiac Grand Prix S...


spark plugs, wires, oxygen sensors, fuel filter,air filter, oil, oil filter and while your at it, ac filter. In AL it will run you about 200 done yourself.

May 16, 2010 | 1996 Pontiac Grand Prix

1 Answer

Whats the firing order for a 94 grand prix gtp for the spark plug wires i thought it was 315 426


1994 Pontiac Grand Prix 3.4 liter DOHC V-6 VIN "X"

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1994 Pontiac Grand Prix 3.1 liter V-6 VIN "M"

9a67e47.gif

Hope this helped; TY for using Fixya (remember rated and comment this).

Apr 01, 2010 | 1994 Pontiac Grand Prix

1 Answer

Have 1988 pontiac grand prix se with 2.8 v6


My sincere apologies for the delayed response.
I am personally going back to answer your unanswered question.


For the 2.8L
Firing Order:
1-2-3-4-5-6

Cylinders:
......(back)
1.......3.......5
2.......4.......6
......(front)

Ignition Connections (Spark Coils):
........(back)
.|.1..4.|.|.6..3.|.|.2..5.|
........(front)

Again my apologies....
Let me know if this helped...

Jan 22, 2010 | 1988 Pontiac Grand Prix

1 Answer

1997 Pont Grand Prix ---- P0303 again & again


I would inspect the connecter and wires for the #3 cylinder fuel injector for damage.

Aug 17, 2009 | 1996 Pontiac Grand Prix

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