P CODES (POWERTRAIN) P0300 - P0399 P0302

I Have An Oldsmobile Alero That The P0302 Dtc Comes Up. I Had To Change The Head Gaskets And All Of The Other Stuff That Goes With It. The...

I Scanned My Car And Was Told I Should Change The Coil And Spark Plug In Cylinder 2. So I Changed It, Now The Same Code Still Reads On The...

01 6.0 In A Yukon Xl. Cyl #2 Misfiring. Parts Changed/checked ; Head Gaskets, With Valve Job. Coil. Plug Wire. Plug. Injector. Fuel Psi Reg...

I Need To Know How I Should Go About Fixing The Issue, Considering I Am Going To Be Repairing It Myself. What Are My Options And Price...

Code Says Cylinder 2 Misfire. Changed Plug Wires. Still Same After I Cleared The Code. Now Moving On To Coil. What Else Can I Do Or Look For...

Hey, I've Done My Research And Cannot Figure Out How To Fix The Problem. I Have Replaced Everything Electrical From And Including The...

I Have Replaced The 02 Sensor, Injector For Cyl. #2, Wires, Plugs It Was Tune Up Time Anyway. I Just Replaced The Cam Sensor And Sysc....

Engine Mechanical Problem 1999 Kia Sportage 4 Cyl Four Wheel Drive 98000 Miles Cylinder 1 & 2 Misfire. Did A Tune Up, Changed Plugs And...

I've Already Changed The Spark Plugs. There Seemed To Be A Little Bit Of Oil On The Old Ones. Normal? Is There Anyway You Could Tell Me...

Car Started Idling Rougher Over Past Week Or So. Check Engine Light Came On Today. Car Still Runs Fine, No Missing, Bucking, Hesitation...