P CODES (POWERTRAIN) P0300 - P0399

This Is A Customers Car Under 1500 Rpm Cylinders Two And Seven Misfire. Above 1500 Rpm The Engine Runs Smooth And Misfire Stops. Ignition...

The Two Codes Came In After A Water Pump Replacement. Also, The Belt Tensioner And Fan Clutch. The Engine Runs Good, Idles Smooth. The 2...

It Is Saying Random Multiple Misfire And Cylinder 1 And 5 Misfire, But It Runs Like It Always Has. Doesn't Seem Anything Is Wrong. Hard...

I Got Cylinder Misfire Code P0303. Then I Cleaned The Ignition Coil And Interchanged Coil From Cylinder 3 And 1. I Got Again The Same Code...

2000 Volvo S40 With Code P03002 Then P0303. Changed Coils Around And Get One Or The Other. Installed New Coil Pack And One New Ignition Coil...

My Check Engine Light Is On. I Had My Truck Scanned And It Is Reporting These Error Codes Po300. Po327 And Po440. Is There Something In...

I Have Been Having Off And On Acceleration Issues For Weeks. More Of A Hesitation When Accelerating, Had Power If Pushed. Also Around The...

I Am Working On A 1996 Ford Ranger With A 3.0l(vin U) With 300,000miles. My Issue Started With A P0306. 4 Months Prior I Had Replaced All...

Engine Performance Problem 2001 Gmc Yukon 6 Cyl All Wheel Drive Automatic 130k Miles I Have An Intermittent Problem That Has Been...

About One Every 4 To 5 Months I Get The Code P0301, #1 Cylinder Misfire. It Almost Always Sets When The Truck Is Idling. The Code Clears...