Question about 2002 Buick Century

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2002 buick century spark plugs

How do I replace the spark plugs on a 2002 buick century. They seem to be in a housing but I was hesitant to just start taking stuff apart. This should be pretty simple right?

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  • russchadra Feb 11, 2009

    It is a 3.1 6 cylander

  • Ron szarafinski May 11, 2010

    is it a 4 cylinder?



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Yes Is Looks Harder than It Is Just Remove the Pretty Cover from it and Theres An Ordanary Engine Under there Normal Procedure. Dont Forget To GAP The Plugs Correctly Enjoy!! Please DONT Forget To Rate me too Thank You !

Posted on Feb 11, 2009


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Jul 27, 2017 | Cars & Trucks

2 Answers

How much should it cost to change the spark plugs, wires and air filter on 2000 Buick Century?

Quality wires, iridium plugs and air filter , close to $100 for parts. You doing it yourself will save a lot on labor . 3800 V6 ?

Jan 29, 2016 | 2000 Buick Century

2 Answers

2002 3.1 buick has sparks near the top side of spark plugs and will not start

You don't jump a vehicle

You test the battery & if it is good & takes a
charge & holds a charge & is at 12.6 volts or more
you proceed with your testing

Dec 05, 2014 | 2002 Buick Century

1 Answer

When you're driving it hesitates

do a stall test, like start engine let it run then hold the brake pedal with your other foot raise rpm to put load on engine if you feel the hesitate then it could be spark plugs wire or injectors
hope it helps

Apr 01, 2014 | 2003 Buick Century

1 Answer

My Buick Century has started to run a little rough and going through gas more. Besides just the spark plugs and tune up, what could the problem be? Seems as though there is interference with air flow.

running rough, could be a few possible things besides spark plugs, and wires!
air filter, fuel filter, fuel injectors, fuel pump, coil pack, Etc.
Id start with the air and fuel filters!
Good luck, Hope this helps!

Jan 21, 2011 | 2002 Buick Century

2 Answers

Nee diagram for spark plug wiring

2002 Buick Century
3.1 liter V-6 VIN "J"


May 23, 2010 | 2002 Buick Century

1 Answer

94 Buick Century 2.2 L4

Seems as though you've got it covered...Try adding "SeaFoam" ($9) from Advance Auto Parts and add it to your for at least 100mi. Good Luck

Jun 27, 2009 | 1994 Buick Century

1 Answer

Car has hesitation at around 45 mph

Hi there,

You problem is most likely a bad spark plug wire or spark plug. I would start with the wires and then chenge the plugs. Most likely you have a wire shorting out under load.

I had the same problem on my 1999 century and it was cured after replacing the wires. My 1998 Regal GS was running rough and after I replaced the wires it runs great!

Good luck!

Jul 27, 2008 | 1999 Buick Regal

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