P CODES (POWERTRAIN) P0300 - P0399 P0303

There Is Engine Code P0303. I Did A Coil Swap With Cylinder Number 2. The Misfire Is Still On Cylinder Number 3. I Know These Engines Are...

Hi, I Keep Getting A P0303 Code. I Have Changed Plugs, Wires, Coils, And Injectors, And The Code Keeps Coming Back. The Code Always...

My Car Has This Code. I Have Already Replaced Spark Plugs And Wires. I Am Trying To Figure Out What Else Could It Be.

Hello, I Have A 1998 Gmc Jimmy 4.3l. I Just Recently Did A Tunup Which Includes All 6 Sparkplugs, 6 Wires + 1 Coil Wire, Distributor Cap...

Misfire On Two And Three (p302 And P0303). Checked For Vacuum Leaks, Replaced Plugs, Wires, Coil Pack, Switched Injectors With One And...

My Truck Listed Above Z71 Developed A Number Three Cylinder Misfire, Set A Po303 Code. I Found Where The Plug Wire For That Cylinder Had...

Car Overheated Due To A Broken Timing Chain And Was Repaired By Dealer Under Special Warranty But They Would Not Fix P0016 And P0017 Which...

Changed Plugs, Cap And Rotor And New Distributor. Truck Starts But Still Has Miss In Cylinder Three. Coil Changed, No Change In Misfire....

Have A P0303 Dtc Code Pending. I Can Feel Misfire And The Check Engine Light Flashes Under Load. Have Replaced Cop And Plugs As Well As The...

I Have Been Checking Out This Code And I Have Swapped Out Plugs, Moved Injectors And Coils. Ohmed Out Wiring Under Plenum, Still Get Code...