P CODES (POWERTRAIN) P0300 - P0399 P0304 Questions

I Need Some Expert Advice. I Have A #4-cylinder Misfire. We Have Swapped The Coil, Spark Plug, Wire, And Fuel Injector With The Opposite...

Hello, My Sister Was Recently Driving Her Car And The Check Engine Light Began Flashing For (3) 2 Minute Intervals Involving Her Drive...

The Check Engine Light Is Displayed. Occasionally, While Driving, The Light Will Come On For A Brief Period And Go Away For Weeks. Sometimes...

Went To Go Do Emissions For Car, Went In With No Check Engine Light For About 2 Months. Failed The Test! After I Got The Car Back The Car...

I Have Had All Spark Plugs And Coil Packs Done And The Engine Light Keeps Coming On. Anything Else It Could Be? Thanks

I Got A P0304, #4 Cylinder Misfire. I Want To Know Which Cylinder Is # 4. I Plan To Remove The Coil And Swap It With Another Cylinder;...

Hi I Have A Check Engine Light On,hook Up To Sanner Cly.4 Misfire Po304.i Check For Spark(ok)and Check For Compresstion(125lbs.)i Can Not...

Hello, I Have A 2001 Hyundai Accent, 1.6l With 96k Miles. The Check Engine Light Has Started Blinking At Idle, So I Had The Code Checked. It...

Engine Light Came On, Sometimes It Just Blinks And Sometimes It Will Just Stay Lit. Gave Trouble Code P0304 Misfiring, And Service...

When Cold Or Under Load, Plugs And Coils Changed But Still Gives Pending Fault?