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Spark plug wiring diagram for a 2003 buick century 3.1 engine

Need to see a diagram my husband changed wires took one off at a time but car is running like they got mixed up

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 143 Answers

SOURCE: Check engine light comes on,

The Chilton and Haynes manuals show pics of the spark plug wires in the tune-up section.

Posted on Jul 24, 2008

  • 1779 Answers

SOURCE: automotive wiring diagrams

Here's a freebie: go to 'autozone.com enter your car info (year, make, model, engine) click on repair manual, then chassis electrical, then to the far right of screen and down, wiring diagrams. Let me know if u have an trouble locating it.

Posted on Oct 27, 2008

Molson02536
  • 3854 Answers

SOURCE: NEED SPARK PLUG WIRING DIAGRAM FOR A BUICK REGAL

Firing order is 1-6-5-4-3-2
From the passenger to the drivers side radiator side 1-3-5 From the passenger to the drivers side firewall side 2-4-6
The coil radiator to the firewall #1 coil 1-4 #2 coil 5-2 #3 coil 3-6
Hope this helps, keep me posted, be glad to help answer more questions if was hard to understand. Harder to explain then to show. Good luck Friend

Posted on Jul 02, 2009

  • 158 Answers

SOURCE: spark plug wiring diagram for gm 3.4 liter v6

http://autorepair.about.com/od/enginefiringorders1/Engine_Firing_Orders.htm

Posted on Aug 30, 2009

  • 834 Answers

SOURCE: I need a spark plug

Here is the firing order diagram for that vehicle.


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Posted on Aug 12, 2010

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1 Answer

Locating spark plugs on 2003 buick century


I am assuming you have a 3.1 v6 engine the spark plugs are 3 right in the front next to the oil dipstick and above the exhaust manifold you can follow the wires from the coil to find each plug. The other 3 are on the back side of the engine and can be difficult to get to. Easiest way is to remove the upper engine mounts and tilt the engine forward a few inches with a ratchet strap or something to gain clearance. MAKE SURE it is secure because your arms will be back there. And those three plugs are in the same location as others just on the opposite side of the engine.again just follow spark plug wires down to the plug.

Jan 01, 2017 | 2003 Buick Century

1 Answer

Tune-up 2003 buick century locating spark plugs


I am assuming you have a 3.1 v6 engine the spark plugs are 3 right in the front next to the oil dipstick and above the exhaust manifold you can follow the wires from the coil to find each plug. The other 3 are on the back side of the engine and can be difficult to get to. Easiest way is to remove the upper engine mounts and tilt the engine forward a few inches with a ratchet strap or something to gain clearance. MAKE SURE it is secure because your arms will be back there. And those three plugs are in the same location as others just on the opposite side of the engine.

Jan 01, 2017 | 2003 Buick Century

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2003 buick century spark plug wire sizing chart


I doubt very much if you will get a HT length chart to help you, but if they are all various lengths, it usually goes that the longest to the furthest plug working back to the shortest in the firing order.
leads should sit comfortably without strain or being too loose
use lead spacers to keep the leads from touching each other or you run the risk of a misfire as the spark is induced into the lead with the less resistance ( induction stroke where there is no compression)

Jul 03, 2016 | 2003 Buick Century

1 Answer

What is the firing order for 2003 Buick Century 3.1 engine?


Literally 1-2-3-4-5-6, spark plug wires go 1-4, 6-3, 2-5 from passenger side to drivers side.

Mar 11, 2016 | Buick Cars & Trucks

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Wiring diagram 1999 buick century. Starter engages when battery cables are bolted to battery.


-the wires are not correctly re-installed for the starter.
- u may need wiring diagram
Did you take pictures before you took it apart, or did you tag wires before unconnecting them.

Mar 12, 2015 | 1999 Buick Century

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The engine in my 2003 buick century is a different year


Crank Position Sensor ? (located behind the harmonic balancer)

Feb 17, 2014 | 2003 Buick Century

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My 98 Century was running fine without any known problems. I decided to have the spark plugs, Air and Fuel filter replaced. Had originally intended to also replace spark plug wires, but had to leave that...


See the attached video for instructions on how to test the wires and coils. If that isn't the problem then it is likely the ignition module, or the crank or cam position sensor.

Jan 10, 2011 | 1998 Buick Century

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Spark plug wires aren't corrextly attached to coil


153624Bring # 1 piston up on compression stroke and see where the rotor is ointing, That is the tower you put #1 on. then 53624 in the direction of rotor rotation. Put a piece of tissue in #1 plug hole and when it blows out, its on the compression stroke.

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Check for trouble codes and check spark control module and coils

Mar 09, 2009 | 1998 Buick Century

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I just had my spark plugs changed today on my 1989 buick century. I'll tell you this, the guy had a hard time doing it and had to take things off the engine to get to them. It was about a 5 hour job for the plugs and wires. Good Luck!

Mar 03, 2009 | 1989 Buick Century

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