P CODES (POWERTRAIN) P0300 - P0399

I Have Replaced The Cylinders One And Four Coil Pack, But The P0304 Code Returns Along With Stuttering At Highway Speed.

What Are The Possible Causes Of A P0301, Misfire In Cylinder 1? I Need To Keep The Mechanic Honest.

Sometimes The Check Engine Light Will Come On Causing To Throw Off The P0301 Code. The Check Engine Light Will Eventually Turn Off Then...

Engine Mechanical Problem 2003 Chevy Avalanche V8 Two Wheel Drive Automatic I Am Getting A Po300 Missfire Code, And Have No Fire To...

1999 Mercedes Benz 320e 6 Cyl Automatic Got Po300 (random Misfire). To Keep A Long Story Short I Replaced The Maf But With No Availe....

Volvo S60 2015 T5 Drive-e Fwd 245km Tuned By Polestar Has Been Getting The Abovementioned Codes For 2 Weeks Now. No Issues Seem To Occur;...

The Truck Starts Fine And Runs Well. If I Drive It 20 Plus Miles And Let It Cool Of Just A Little (time To Shop At Lowes 20 Min) It Starts...

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...

Hi Ihave Satrun Ls1 My Engine Light Is On And The Show Code P0300 My Fan Is Contantly Working Rmp Sounds High To Much Somke From Exhaust...

My Son Has A 96 Saturn Sc1 With 80,000 Miles. It Started Drinking Lots Of Oil And Leaking It Out Of The Radiator Overflow Tank. No Coolant...