Buick Lesabre Engine Misfire

Vehicle Starts And Idles Great. Good Acceleration Up To 1800-2200 Rpm, Then Vehicle Severely Misfires And Back Fires. A Little More When Hot...

Can Change Fuel Line Filter And Will Run For A Short Period Of Time Then Starts Back Into Chugging And Will Not Pull.

My Lesabre Started To Chug In High Gear Under Load.replaced Tps To No Avail. Changed Spark Plugs Also. This All Sometime After Had Trany Re-...

Engine Performance Problem 2001 Buick Lesabre 6 Cyl Front Wheel Drive Automatic Buick Lesabre 2001 With 3800 Eng. With 93000 Mi. ...

My Buick Is "missing" When Going Up Inclines, And Is Recently Starting To Run A Bit Rough When First Started. Any Ideas? I'm Due For A...

95,662 Miles On 3800 Engine. Service Engine Soon Light Is On. During Winter Months Noticed A Chug While Accelerating Once In A While. I...

Car Chugs And Dies While Driving Around Town. Highway Does Better, Still Some Chugging. Engine Light Came On One Time, However Went Out...

If I Put My Car In Reverse And Back Up, There Is A Jolting And A Very Noticable Thud That Takes Place. If I Warm The Engine For At Least...

Engine Performance Problem 2000 Buick Lesabre 6 Cyl Front Wheel Drive Automatic Car Runs Very Rich With Check Engine Light Flashing...

Filled Almost Empty Tank At Gas Station. After Starting And Moving Back Into Traffic, Engine Began To Miss Badly And Almost Quit. Check...