P CODES (POWERTRAIN) P0300 - P0399

Getting Error Codes P0340, P0341 And P0300. Camshaft Position Sensor Circuit, Camshaft Position Sensor Performance, Misfire. New Plugs...

My Cavalier Is Older And High Mileage And I Don't Want To Put Much Money In It So I Try To Fix It Myself. Recently With The Hot Humid...

Started Drove 1/4 Mile Or Less, Off For 10 Minutes, Tried Start, Wouldn’t, Feathered Gas Pedal, Got Started, Running Very Rough...

Top Portion Of The Engine Has Been Rebuilt. Check Engine Light Has Come Back On, There Is A Definite Misfire It Is Pulling Codes Po303...

I Have A 1997 Ford Taurus 3.0l Sohc. During My Last Smog Test I Failed With A Po340 Trouble Code. I Was Curious If It Could Mean Anything...

Have A Po303 Reading On My Scanner Which Is Cylinder 3 Misfire. Changed The Plug, And Put Some Electrode Grease In The Cable. Problem When...

My Wifes Car Developed This Problem And The Resulting Code Po340. My Question Is. How Would A Handy Diy Kind Of Guy Make Repairs? 1-...

In August Check Engine Light And "trac Off" Lights Turned On With Code P0303. The Car Was Riding Rough With A Lot Of Symptoms Of A...

Good Morning, I Am Receiving A Service Engine Soon Light On My Chevy Astro Ls. I Had A Tune Up This Weekend But The Light Came Back On Once...

Computer Gives Me A P0305(#5 Misfire). Ive Replaced Both Coil Packs, Wires & Plugs. Its Not A Constant Miss. It Runs Fine For A Couple Of...