P CODES (POWERTRAIN) P0300 - P0399

Recorded Live Data From My Truck Does Anything Look Of Concern Or Faulty/bad From Reading This For I See High Idle And Maybe O2 Sensor Is...

Engine Performance Problem 1997 Ford Mustang 6 Cyl Two Wheel Drive Automatic Got A Code P0302 Manual Says Cil 2 Missfired How Can I...

Hello, My Vehicle Upon Startup (recently) Has Been Generating Code P0201-injector Circuit Open - Cylinder 1/ P0301 - Cylinder 1 Misfire...

I Have Check For Vaccum Leaks None, Change Spark Plugs, And Replaced Coils. Still Get The Same Engine Code, The Check Engine Light Came...

2001 Suburban 5.9, 90000 Mi. When Its A Cold Start Situation(morning, Afterwork) The Engine Runs Ruff. Dtc Is Po300, Multiple Cylinder...

I Went Through A Large Puddle That Com Pletely Covered The Underside Of The Car. Car Ran Poorly Immediately After. I Ran A Test And Got...

Recently Had The Head Gasket Replaced And When That Was Done I Bought New Champion Spark Plugs And After It Was Put Back Together I Am...

I Recently Had My Check Engine Light Start To Blink. Tested The Code And It Was P0300. I Changed The Plugs, Coil, Icm, Checked Vaccum...

2003 Cavalier With A 2.2 Ecotec Engine, Misses At Idle And Under Acceleration, Smooth At Higher Rpm, Changed Out Icm And Wires And Plugs...

I Have The Car Listed Above, Non-turbo That Will Lose Engine Power Randomly. It Will Start Right Up, And It Could Run Smoothly For A Short...