1993 Buick Regal Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1993 Buick Regal
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1993 Buick Regal ProblemsIntake Manifold and PCV Vacuum Lines/Hoses Can Leak Due to Age
The upper intake manifold gasket and/or a PCV vacuum lines/hoses can develop vacuum leaks with age. This type of leak can result in a higher that normal or rough idle.
The fuel pump may fail causing engine to stall and not restart.
1993 Buick Regal QuestionsBuick regal torque converter not locking when car goes into over drive (1 answer)
and on a couple times rpm goes back down to 10.Also starts fine but when put into drive it bucks and acts like it isn't getting gas because it will not pick up speed and eventually will stall.Could this be my fuel pump or throttle positioning sensor?