I have a 1999 Buick lessee custom. try to figure out what wrong with it. one morning cane outside and crank it up. it crank up good and then 10 minutes later it start missing and then a cloud of white

Asked by Jul 22, 2016 at 12:20 AM about the 1999 Buick LeSabre Custom

Question type: Maintenance & Repair

1 Answer

68,735

Sounds like the intake manifold gaskets. The 3.8L V6 is notorious for intake manifold gasket failure. It will not be the head gaskets. The 3.8s rarely, if ever, blow a head gasket! HTH. - Jim

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