P CODES (POWERTRAIN) P0300 - P0399

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

Replaced, Battery, Alternator, Cam Sensor, Crank Sensor, Both O/2 Sensors On Bank One, Spark Plugs, Ignition Wires, Coil Pack, And...

Hey, I Have A 1997 Chevy Blazer 4.3 75000 Miles. I Recieved A Po300 Code. My Mecanics Said That They Cant Figure Out What...

Any One Know What It Means

I Have A 2004 Pt Cruiser Gt Turbo 5-speed With 100,000 Miles. I Recenty Got A Po300 Code 3 Days After Buying The Car. It Ran Great For The...

Keep Getting This Random Misfire Code. Cylinder #2 Has An Excessive Amount Of Gas Going In It. The Spark Plug Was Covered In Gas. It Runs...

I Did A Diganosis Test And I Get A P0304 Code. My Cylinder 4 Misfire Detected. How Can I Fix This Problem. I'm A Certified Michanic Of 15...

Car Has Code 344 And Wont Rev Over 2500 Rpm In Any Gear What To Do

I Know This Means Cylinder Eight Plug Misfire. That Is The Plug Next To Firewall On Drivers Side. Question Is, Is It 100% Certain That The...

I Have A 1998 Mercedes Benz. The Diagnostic Check Showed A P0300 And P0305 Code, How Do I Fix This Problem.