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Check engine light comes on, and the car runs rough after I changed the spark plugs and ignition wires on 2001 3.8L buick lesabre custom. I made sure to take the wires off, and replace the one at a time. Where can I obtain the layout diagram for the ignition wires?

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  • cargool2 Jan 12, 2009

    My 2004 Rendezvous has the Check engine light on , i just bought it, will a tune up fix this?

  • Anonymous Apr 01, 2014

    stereo wire diagram

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

Posted on Jul 24, 2008

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1992 Buick Lesabre Idle Problem/ Bad gas mileage


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99 Buick Lesabre Check engine light flashing.I changed wires and plugs but still misfiring on one cylinder, but all plugs are firing. Have 84,000 miles and has been running great until light came on and...


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As the check engine light is on did you scan for error code which will help you more specific to locate the problem.

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Anyone have a 1995 Buick lesabre custom, ignition wiring diagram?


Insofar as your Ignition Wiring Diagram, I hope you're speaking of what's also called the Spark Plug Cables or Firing Order. The proper Firing order for your V-6 is 1-5-3-6-2-4 with the number 1 cylinder being the front spark plug on the left hand side. The left hand side is Odd numbered and the Right hand side is Even numbered, therefore number 2 cylinder is the 1st plug on the right hand side of the engine.

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97 buick lesabre 3.8 Idles rough and stalls out.


Fuel injectors go bad on these engines, you can find re manned ones for 30 bucks. If you have an engine light on get that read. Change your coil/wires/plugs also. Is the lower intake manifold gasket leaking coolant yet? You may want to get that replaced also. Check the TPS too (throttle positioning sensor) those will also cause your engine to act up

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1999 buick 3.8, was running rough with white smoke.


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Feb 07, 2010 | 1999 Buick LeSabre

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Intermittantly for short intervals while running


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Sep 03, 2009 | 1997 Buick LeSabre

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2000 buick lesabre runs rough. It started running rough and the I drove it around for a while and it was okay for several weeks and then started running rough again and staying that way.


First I would change where I buy gas.And perform a tun up,start with the spark plugs,if it runs okay your done if not #2 change your wires.And clean your throttle body with carb cleaner.

Aug 03, 2009 | 2000 Buick LeSabre

1 Answer

Misfire of cylinder 2 & 5 on 04 Buick LaSabre Custom


Ok this may be something smal that may be simple to fixs; your plugs are in the wrong cylinder?

Check Your gap size .060 (In thousandths of an inch)

Im not sure of the size of engine please look below for your make?

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Fig. 3.8L VIN 1 Engine Firing order: 1-6-5-4-3-2 Distributorless ignition system


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Fig. 3.8L VIN K Engine Firing order: 1-6-5-4-3-2 Distributorless ignition system


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Fig. 3.8L (VIN 1 and L) Engines Firing order: 1-6-5-4-3-2 Distributorless ignition system
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Fig. 3.8L (VIN K) Engine Firing order: 1-6-5-4-3-2 Distributorless ignition system
I hope that this help!

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Stalling Jerking car


Try checking your gas filter/inline fuel filter. Could also need a carburator adjustment

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1 Answer

Rough idle


fuel filters rarley cause idle problems. i would look at the egr valve or possible vaccume leaks.

Aug 24, 2008 | 1999 Buick LeSabre

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