P CODES (POWERTRAIN) P0300 - P0399

First Started When I Changed The Termostate, Engine Died When Engine Became Hot, After Cool Down Started Up Again, Ran For Awhile, Then...

Hello. I Have A '00 Altima And Its Throwing Po325 And Po300. What Would Be Some Steps To Start To Diagnose The Prob. I Might Change Plugs...

The Vehicle Suddenly Started This Rattling Noise. Replaced The 2-cylinder Heads With Used Cylinder Together With Camshaft But The Noise...

Car Is Throwing A Knock Sensor Code (p0325). Have Replaced Everything I Can Think Of To Remedy The Problem But Have Not Been Able To Fix The...

Engine Performance Problem 1999 Ford Ranger 6 Cyl Two Wheel Drive Automatic My Check Engine Light Came On 2 Weeks Ago And I Did A...

Hello, Yesterday I Turned Off The Car Running, I Connected The Scanner And Showed The Code P0335. This Is The Second Time That Less Than A...

Have Constant P0300 P0304, P0305, P0306. Have Changed Maf Sensor, Changed All Plugs, 3 Coils On Bank 2 And Have Swapped With No Luck....

My Original Issue With The Pathfinder Was Inconsistent Starting Issues And The Codes P1110 And P1135, Which Are Related To The Variable...

Two Weeks Ago The Vehicle Developed A Misfire. Scanner Gave A P0304 Code Stating Cyl. No. 4 Misfire. Replaced The Coil Which Cleared The...

My Van Runs Smoothly In The Morning Then All Of A Sudden The Check Engine Start Blinking. When The Ignition Is Turned Off And On Again, The...