Question about 2001 Pontiac Grand Am SE

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Misfiring while driving

2001 Pontiac Grand Am four cylinder. misfiring while driving. changed spark plugs, changed spark plug cover. problem comes and goes while driving.

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Check the spark plugs, make sure they all seated and are tight. Also change wires. Probably the coil packs, but check the cheaper stuff first.

Posted on Nov 17, 2009

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1 Answer

Misfiring on cylinder #3


Misfiring can be cause by ignition coil,spark plugs,wires,engine valve,cylinder compression,
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first check spark plug color or foul of gaz
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My girlfriend has a 99 pontiac grand am with the 2.4 l an has a cylinder number 2 misfire .. it spits an spudders out exhaust any ideas where to start ?


Plugs, a coil tower, and four spark plug boots would be a good start. Wery common for the towers to go bad on these.

Jan 13, 2012 | Pontiac Grand Am Cars & Trucks

1 Answer

What size engine does a 2000 Pontiac Grand am have and does it have spark plugs?


It will either have a four cylinder 2.4 liter or a 6 cylinder 3.4 liter.

The 2.4 liter will have four plugs located under the cover on top of the engine. The cover can be removed by removing the four bolts with a 13mm socket, unplugging the connector on the drivers side, and lifting up.

The 3.4 liter will have three plugs on the fron and three plugs on the back. You can follow the plug wires from the coil to the spark plugs. Remove the wires from the plugs and remove/install.

Nov 27, 2010 | 2000 Pontiac Grand Am GT

1 Answer

Where are the spark plugs located?


If this is a four cylinder you will need to remove the plastic cover from over the valve cover, you will then find the spark plugs located deep inside the head on top. If this is a 6 cylinder the spark plugs are located in between the gaps in the exhaust manifold.

Aug 02, 2010 | 2001 Pontiac Grand Am SE

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Do you have spark at the number four cylinder? Check that if spark is present , then you should swap the injector from four to five and see if the miss goes with the injector. If not then you will need to test the engine compression .

May 30, 2010 | 2001 Ford Taurus

2 Answers

2001 Pontiac Montana - what is a misfire #5?


Without your actual trouble code, I am assuming that you are have a misfire on cylinder # 5. The computer cannot really tell what is causing the misfire only that cyl 5 is not putting out full power. If it misfires when cold then smooths out as it warms up, I would say it is probably an injector that is sticky, as it warms up it starts working properly.

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1 Answer

2004 pontiac grand am misfire


Check the plug wires for those 2 cylinders, next check the injectors, as they can cause misfire when defective.

Mar 19, 2009 | 2004 Pontiac Grand Am

2 Answers

Cylinder 3 misfire


Make sure you're using the recommended spark plugs. When my car did that, I had put Bosch Platinum Plus-4 plugs in and got that same problem. Turns out the plugs are too hot and cause it to fire prematurely and kick the misfire code.

Jun 10, 2008 | 1999 Pontiac Grand Am GT

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