P CODES (POWERTRAIN)

Check Engine Light On, (not Flashing) Code Indicates Engine Cylinder One And Three Misfiring Despite "tune Up". Plugs, Fuel Filter, (no...

I Have Replaced Injectors The Fuel Filter Cleaned The Maf Sensor Checked The Fuel Pressure Checked The Egr Valve Looked For Vacuum Leaks And...

Can't Figure This One Out I've Replaced Wires, Plugs, Ingtion Coil And I Just Bought Capp And Rotor If This Doesn't Work I Don't Know. I...

About Seven Months Ago I Had The Same Code Come Up (random Misfire And #2 Cyldr.) After About Another Seven Months Of Sporadic Diagnosing It...

I Am Still Trying To Diagnose The Above Codes, And One Of The Possible Issues Is A Bent Valve. This Would Be A Rather Expensive Fix, But...

When The Weather Finally Warms Up In Wisconsin I Will Have To Trouble Shoot This Code Again This Year, It Runs Very Good And Smooth After...

Cannot Fine Problem New 02 Sensor New Fuel Filter New Coil Paks, Spark Plugs, New Map Sensor And Oil Change.

What Is The Most Probable Cause For This Obd? Replaced Worn Out Rubber Hoses, Have Not Replaced O2 Sensor Or Maf Sensor. How To Check...

Have Done Compression Test , Vacuum Test, Changed All Injectors, Fuel Pump, Fuel Preasure Regulator, Vacuum Valve, Combi Valve, Fuel...

What Items Do I Need To Check And How Do I Repair Them?