P CODES (POWERTRAIN) P0300 - P0399 P0304

Hello All, I Have The Truck Listed Above Silverado That Is Experiencing A Rough Idle And Misfire. My Mechanic Buddy Tried To...

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

My Check Engine Came Out And It Reads P1304? How Do I Fix This One Its Weird Cause My Mechanic Was Telling Me Its Because Of The Aftermarket...

The Vehicle Listed Above Has A Tsi Engine With 119,665 Km. The Vehicle Had The Codes Above. The Spark Plug Was Change, Coil, Injectors...

I' Checked The Three Items That You Sent Me, I' Don't Have Any Injector Pulse For # 4 Cylinder, Now What?

I Have Replaced All Spark Plugs And Coils Checked The Wiring And Everything Runs Smooth But The Code Still Appears.

2010 Chevy Express 3500 6.0 P0304 Code Changed Plugs, Wires, Coil Pack And Injector Then Cleared Code Still Getting Slight Rough Idle...

I Had A P0440 On About A Month Ago. When It Was Read Again P0301 Came On. Cleared Codes And Changed Fuel Cap. P0304 Came On And Was Told It...

Car Throwing Only A P0304. Have Replaced: Plug Coil 4 Injectors Gaskets On The Manifold (both Upper And Lower) Moved Plug Wire From #4...

I Have A 1998 Ford Explorer Sport, 2wd, 4.0l Efi With 108k Miles On It. Recently It Has Been Running Rough And The Code P0304 Is Present...