Question about 2000 Buick LeSabre

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My 2000 lesabre has been having issues from what i though was cold weather because it went below zero and wont start anymore seeing how it has been below freezing ever since. i thought that was the cause. well finally today i pulled plug wire #5 and it started. could this be a bad coil?

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Could be a bad coil, bad spark plug, bad fuel injector, however one cylinder will not cause a no-start condition. Plug the wire back in and see if it will start.

Posted on Feb 23, 2018


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Posted on Jan 02, 2017



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SOURCE: 1992 buick lesabre wont start or turn over

check ur starter/solenoid

Posted on Jan 30, 2009


  • 1 Answer

SOURCE: 1998 Buick Lesabre How do you test the coil packs?

the coils are one integrated block with 3 separate segments. the coil pack is mounted to the ignition module and can be unbolted from each other. one can test the coils from the underside of the coilpack with a dvom. having said that your car should still start if one paired coil fails, it would however miss on one or two cylinders. I would suggest to scan for codes, monitor live sensor data to see if you have a valid crank signal, check fuel pressure and spark voltage

Posted on Feb 13, 2009



  • 867 Answers

SOURCE: 2000 Buick LeSabre heater only blows cold

the climate control thermostat is not opening the valve to let the warm coolant in

Posted on Nov 29, 2009


  • 105 Answers

SOURCE: 2000 LeSabre starts but runs very rough and stalls. After

My 2002 Lesabre (app 115000 miles) started something like this. Also the loose gas cap had been coming on for quite a while. I replaced the vacuum line from the air intake to the fuel sensor. It is under the engine cover (twist off the oil filler to remove the cover). There are two hoses together that come of the air intake. The small one goes to the top of the engine. The other goes across the front and makes a 180 turn back to the sensor. Chances are the 180 piece is cracked. It all comes from the dealer as one unit. $25
Seems to have fixed my problems. So if your car is running a little rough. Shutters under load. If the gas cap loose is coming on or probably a number of symptoms this might be the answer. I would replace this item. A cheap try.

Posted on Mar 12, 2010


  • 105 Answers

SOURCE: 2000 Buick LeSabre Will not start Replaced cam

Multiple engine misfire is related to the coils and the ignition control module. I have a 2002 with the 3.8 engine. It has three coils. I just went through this problem. I bought one coil and tried it in each position with no improvement. It was the ignition control module. Mine is located under the three coils. A relatively easy item to replace. Cost about $140.

Posted on Apr 19, 2010

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