Question about 2000 Buick LeSabre
Start by testing. You can pull the plugs and see if one or all of them look bad. This can indicate which cylinder(s) are misfiring. Then I would start with checking for spark, using spark plug wire pliers pull each wire and see if it arcs, if it doesnt then that means that you have a bad coil. Then check your wires for any damage and then check them with an ohm meter. If all that checks out then I would do a fuel pressure check. And somewhere along the line do a good check for broken vacuum hoses and bad wires.
Posted on Nov 15, 2010
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Posted on Jan 02, 2017
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