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Dave Nova
Dave Nova, Buick Technician
Category: Buick
Satisfied Customers: 1808
Experience:  ASE Master Certification. GM World Class Certification
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Buick LeSabre: I have a bad misfire and I changed spark plugs

Customer Question

I have a bad misfire and I changed spark plugs and wires coil packs EGR value fuel filter and this all made the problem worse
Submitted: 1 year ago.
Category: Buick
Expert:  jazzmaster replied 1 year ago.
hi, did you do a compression test on the cylinders ?did you try cleaning the mass air flow sensor ?
Expert:  jazzmaster replied 1 year ago.
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