FORD RANGER P CODES (POWERTRAIN) P0300 - P0399

I Replaced My Spark Plugs In My 2001 Ranger Its A 4.0 V6 And It Went Threw Emmissions And Passed Now The Code P0300 Came Up And It Idles...

Top Portion Of The Engine Has Been Rebuilt. Check Engine Light Has Come Back On, There Is A Definite Misfire It Is Pulling Codes Po303...

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

I Am Still Getting A P0303 Code. I Have Replaced The Intake And Exhaust Manifold Gaskets, Replaced The Plug Wires And Plugs. And Just...

Hey Guys My 96 Ford Ranger 3.0 Threw This Code. The Truck Still Runs Good.I Tried To Reset It But The Code Came Back. Ive Done Some Research...

I'm Misfiring On #2 And #6 Cylinder On My 3.0 Flexfuel. The Codes Are Coming Up Po302 And Po306. What Do You Think The Problem Might Be?