JEEP P CODES (POWERTRAIN) P0300 - P0399

Hello, My Vehicle Upon Startup (recently) Has Been Generating Code P0201-injector Circuit Open - Cylinder 1/ P0301 - Cylinder 1 Misfire...

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...

I' Checked The Three Items That You Sent Me, I' Don't Have Any Injector Pulse For # 4 Cylinder, Now What?

Codes Have Been Coming Up For The Longest On My Vehicle. So Much Money Spent And Still No One Has Been Able To Find What's Wrong. Now...

Hello, As Of This Past Sunday, My Car Has Been Running Weird, Not Holding It's Idle, Constantly Conking Out At Lights, Engine Light...

I'm Getting A Rough Idle Accompanied With A P0300 Code. Jeep Drives Fine But Obviously Want To Resolve The Issue And Not Risk Long Term...

Engine Performance Problem 1997 Jeep Wrangler 6 Cyl Four Wheel Drive Manual I Have A 1997 Jeep Wrangler With 4.0l I-6 Iam Getting A...

Changed #4 Plug And Installed A New Coil And Still Is Missing. The Plug Is Carbon Fouled, Don't Know What To Check Next?

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...

Initially We Had A Code That Said The O2 Sensor Was Bad. Drove For A Couple Of Weeks Now The Two Codes (301 And 306) Come Up But Nobo2...