Buick Lesabre Engine Runs Rough

How Can You Tell The Difference Between An Ignition Coil Failure And An Ignition Control Module Failure On A Gm 3800 Engine? The Dealer...

I've Checked The Fuse And The Obd Port. The Fuse Is Good And None Of The Pins In The Obd Port Are Corroded. What Should I Check Next...

Car Started Running Roughly, After It Cooled Off It Started, But Idles Rough And Smells Like Sulphur, It Is Not Smoking

When Adding Oil To My Car A Half Bottle Of Oil That I Think Was A Blend For Weed-eater Was Also Used. After A Few Days Car Started To Run...

I Have A 2001 Buick Lasabre... It Starts Rough In Wet Weather But Fine In Dry, Cold Or Hot Weather. In Wet Weather It Won't Accelerate Over...

No Fire To #3 & # 6 Cylinders. Changed Coil No Difference.

Buick Lesabre Starting Stalling, Extremely High Idle And The Smell Of Burning Rubber Under Hood

I Have A No Start Condition. It Cranks Over Fine And Sounds Like It's Firing But Won't Start. It Was Missing And Running Crappy Last Month...

My Buick's Check Enging Light Started Blinking This Morning And The Enging Started Running Rough, Any Clue To What Could Cause This?

Change Out The Throttle Position Sensor Car Still Cutting Out, Idles A Little Better But Still Has A Miss In It. Put It Out On The Road Push...