Buick Regal Engine Runs Rough

1900 Miles On The Original Rebuilt Engine (my Dad Was An Ase Mechanic For 35 Years But Got Out Of The Business In 1996 I Have Already...

15 Miles On Rebuilt Engine New Temp Sensor Replaced Twice New Map Sensor New Tps New Upstream O2s New Thermostat

Engine Performance Problem 1996 Buick Regal 6 Cyl Front Wheel Drive Automatic When Started Cold Seems To Rev Up And Down Sometimes And...

Car Runs Smoothly But Dies Abruptly When Idling Or Slowing Down To Stop.

3.8 Liter Has Poor Idle Rough Anything Above Idle Engine Runs Smoothe After Highway Driving And Coming To Stop Will Some Times Die But Easy...

When First Start Car,it Sounds Rough,and Runs Rough Till You Get Up To Highway Speeds Then Levels Off And Runs Good,then You Come To A...