Oldsmobile 88 Engine Idle Rough

My Wife's Car's Engine Has Been Missing For Awhile, I Replaced All Of The Coils Which Helped. The Mechanic Replaced The Harmonic Stabilizer...

95 Olds 88 Royale 3.8 Will Start And Idle Rough Then Die Found A Little Bit Of Coolant In The Intake Bt The Butterfly Valve Don't Look Like...

I Recently Replaced Tps Due To Troubke Code. Car Runs So Smooth & Quiet Until It Is Barely Starting To Warm Up & Then The Idle Is Very Rough...

The Car Had The Issue Where It Would Get Warm And After I Would Shut It Off Being Warn It Wouldn't Turn Back Over. So I Replaced The....

Okay, The Car First Off Starts First Crank Every Time Even On Coldest Winter Day. It Idles Rough While In Drive Or Reverse But Straightens...