P CODES (POWERTRAIN) P0300 - P0399 P0303

Passenger Side Valve Head. Changed Plug Fuel Injector And Coil. Compression Tested 150 On All 4 Cylinders On That Side. However On The Left...

Check Engine Light Came Back On After Changing The Spark Plugs, Wires, Coil Pack, Number Three Cylinder Fuel Injector. The Obd Codes Were...

Plugs And Wires Ok. What Now?

I Was Just Wondering What My Next Step Should Be On The Repair Of This Car. I've Replaced The Plugs, Wires, O2 Sensor, The Injetors Are...

I Have A Misfire On Cylinder 3 I Start The Engine Cylinder 3 Is Working Fine And Then After Few Minutes Start Failing And The Mil Is...

I Have A 2001 Subaru Impressa Outback. - I Have Checked The Compression(good), Fuel Pressure To That Side Of The Engine(good), Injector...

Falla El Motor En Marcha Minima (cabacea)y Se Establece El Codigo P0300, P0301, P0302, P0303, P0304 Y P0171

Engine Performance Problem 2001 Ford F150 V8 Automatic 120000 Miles I Have A Code P0174 After Clearing Code P0303. I Changed...

2001 Chevy Malibu 6 Cyl Automatic The Codes P420 And P0303 Came Up What Do They Mean

I Put My Car On The Computer And Recevived Codes P0300- P0303, What Do I Need To Do To Fix This?