Jeep Cherokee P Codes (Powertrain) P0300 - P0399

I Have Jeep Cherokee 2004 I Have Code P0300,p0304,p0305 What Could It Be Would Have To Buy A New Coil Or Something Else

I Scanned My Check Engine Light, Code Comes Up Po306 #6 Cylinder Miss Fire. I Replaced My Coil Rail .this Did Not Slove The Problem .i...

Went Into Get A Hair Cut, Came Out And My Jeep Started Running At A High Rpm's And Was Throwing Three Error Codes; P1391, P0171, And P0340...

Please Tell Me What The Code P0320 Means.

Vehicle Is Running And Has Not Stalled, But My Mpg Is Very Low And The Engine Run Rough With Poor Acceleration. I Know The Codes Refer To...

Ignition/distributor Engine Speed Input Circuit, What Does This Mean Exactly? How Do I Fix This?

I Have A 96 Cherokee 4.0 4wd 47,300mi . My Check Engine Light Is On And My Jeep Starts And Drive But Them Shuts Down As I Am Driving. I Used...