P CODES (POWERTRAIN) P0300 - P0399 P0302 Questions

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...

Suddenly My Car Started To Stumble And Hesitate. Check Engine Light Was Flashing Then Remained Constant. I Took It To A Local Mechanic. And...

Getting A Misfire On Cylinder 2, But I Replaced Wires Distributor Cap And Rotor And Spark Plugs, Still A Misfire. I Don't Know What To...

Can't Figure This One Out I've Replaced Wires,plugs,ingtion Coil And I Just Bought Capp And Rotor If This Doesn't Work I Don't Know. I Just...

About Seven Months Ago I Had The Same Code Come Up (random Misfire And #2 Cyldr.) After About Another Seven Months Of Sporadic Diagnosing It...

I Am Still Trying To Diagnose The Above Codes, And One Of The Possible Issues Is A Bent Valve. This Would Be A Rather Expensive Fix, But If...

When The Weather Finally Warms Up In Wisconsin I Will Have To Trouble Shoot This Code Again This Year, It Runs Very Good And Smooth After...

What Does These Codes Mean And What Should I Do To Fix The Problem