Buick Century Engine Runs Rough

About Half The Time When I Turn On The Ignition, The Solenoid Relay Opens And Closes About Once A Second And The Dash Warning Lights Turn On...

My Motor Is Running Rough. My Check Engine Light Is On. I Have Changed All Spark Plugs, Plug Wires, And Coil Packs. I Have Double Checked To...

I Get A 1374 Code. It Is An Ignition Problem. Car Is Hard To Start Then Runs Rough When It Does Run. However It Runs Great At Times....

This Car Starts And Idles Fine And Runs Smooth At Low To Moderate Speeds. (0-55) When Reacing Speeds 60 Mph And Up And Mostly When Going On...

I Have A 1998 Buick Century With 3.1l V6 Engine. When Driving In The Highest Gear And Need To Accelerate - The Engine Runs Rough. When Then...

Out Mechanic Changed The Erg Valve And The Car Has Not Run Properly Since. He Tried Numerous Things And Can't Figure What Is Causing The...

Hello.. Could Use Some Advice On My Daughters 95 Buick Century. Her Cars Oil Light Will Come On After Driving Around Town 20 Min Or So....

On Mother's Day, A Huge Storm Hit, And I Ran Through A Huge Puddle. It Went Up Under The Engine Area. It Wouldn't Accelerate...

I Have A 1994 2.2l Buick Century Custom. The Car Has Been Giving Me This Problem For About A Month. I Start My Car And It Idles Rough. I Put...

Engine Performance Problem 1994 Buick Century V6 Front Wheel Drive Automatic 138000 Miles Changed The Plugs, And Fairly Sure All Wires...