P CODES (POWERTRAIN) P0300 - P0399

Good Morning, I Am Receiving A Service Engine Soon Light On My Chevy Astro Ls. I Had A Tune Up This Weekend But The Light Came Back On Once...

Computer Gives Me A P0305(#5 Misfire). Ive Replaced Both Coil Packs, Wires & Plugs. Its Not A Constant Miss. It Runs Fine For A Couple Of...

Changed Plugs But Still Has A Miss And Still Receiving Code P0305 What Shoud I Look For Now

What Will Give Me This Failure Code P0305 Code And Is It Easy To Fix

2010 Chevy Express 3500 6.0 P0304 Code Changed Plugs, Wires, Coil Pack And Injector Then Cleared Code Still Getting Slight Rough Idle...

I Had A P0440 On About A Month Ago. When It Was Read Again P0301 Came On. Cleared Codes And Changed Fuel Cap. P0304 Came On And Was Told It...

Car Throwing Only A P0304. Have Replaced: Plug Coil 4 Injectors Gaskets On The Manifold (both Upper And Lower) Moved Plug Wire From #4...

I Have A 1998 Ford Explorer Sport, 2wd, 4.0l Efi With 108k Miles On It. Recently It Has Been Running Rough And The Code P0304 Is Present...

Two Weeks Ago, While Driving To My Work The Rpm Suddenly Went Up To 2,000. Since Then The Idle Is A Little Higher And While Driving, The...

My Check Engine Light Is Flashing And Other Lights Came On As Well And Idling Rough It Got A Code P0306 So I Change The Plugs, Wires...