P CODES (POWERTRAIN) P0300 - P0399 P0300

Alright So I Have A 2005 Ford Taurus 3.0. 6 Cylinder 12 Valve. I Changed The Spark Plugs, Coil, Gas Filter, Egr Valve, Pcv Valve. After The...

Car Starts Fine. When Accelerating When Cold, Engine Chugs. Rpm's Fluctuate While Driving From A Stop And At Cruising Speeds Even With...

I Recently Changed My Spark Plugs And Crank Shaft Sensor. I Get The Crank Shaft Sensor Error Code, But Still Get The P0300 Code Misfire...

I Have A 03 Pontiac Sunfire, Pulled An P0300 Code (random Misfire) And A Bad Cat Code. I Replaced The Upstream O2 Sensor And The Cat Code...

My Vehicle Continues To Throw P0300 Code At About 2,600 Rpms. I Have Checked Compression And All Cylinders Are At Or Above 100 Psi, Except...

I Changed The Spark Plugs And Still Had The Misfire, So I Hooked Up A Scan Tool And Found That My 5v Reference Was At 5.01.I Also Found...

Transmission Recently Replaced By A Crap Shop. Since Picking Up The Vehicle I've Been Having Nothing But Problems That I Originally Didn...

Have Been Troubleshooting And Replacing/repairing Various Components. No Cylinder Misfire Count At This Time Although Still Showing P0300...

I Have A 1999 Chevy Blazer 4.3l, 4wd That Suddenly Started Running Very Rough And Could Barely Pull Itself Down The Road. Fuel Pressure Is...

03 Silverado 2wd W/ 5.3 And Now Has 103k. The Spark Plugs And Wires Were Changed At 100k. While Under Heavy Load The Check Engine Light...