P CODES (POWERTRAIN) P0300 - P0399 Questions

Code P0300 Is For Replacing The Spark Plugs. I've Read That Iridium Spark Plugs Are The Best In The Market. What's Your Opinion On Them And...

A Few Months Ago, I Notice A Very Light Jerking, Here And There Though It Did Not Impact The Drivability. The Car Consumes Quite A Bit Of...

The Car Is Off The Road Every Year For 5 To 6 Months (on Trickle Charger) And There Are Always Codes When I Restart. I Disconnected The...

Hello, After A Week Of Diagnosis, The Problem Gets Worse. At First, I Had A P0171 That Was Related To A Vacuum Loss, So I Replaced It So...

Car Drives Perfect The After 30-40 Miles It Starts Misfiring And Check Engine Light Comes On For All Cylinders Plus P0300. You Delete It And...

Very Minor Idle Stumble But Overall Smooth. Why Would A Car Only Have This Code?

I Recently Got A Misfire Code For P0300 I Found Out All 1357 Cylinders Aren't Throwing Any Spark. I've Got New Coils, Spark Plugs...

I Changed The Spot Pleasant Coils A Few Months Ago. However, Last Week When I Went To Start The Car And Misfired. When I Plugged In The Obd...

Car Has P0300 And When You Press On Accelerator Pedal It Will Rev Up To 1,500, But Stops There Like A Rev Limiter Almost, Occasionally...

Getting The Code P0300 And Can Seem To Fix It. Changed Plugs, And Wires. Distributor Cap And Rotor, Fuel Pressure Regulator. Pcv Valve. ...