P CODES (POWERTRAIN) P0300 - P0399

Engine Performance Problem 1999 Honda Civic 4 Cyl Two Wheel Drive Manual My 99 Civic Si Hesitates Once It Warms Up. Replaced Plugs...

Engine Problem 2001 Hyundai Sonata 4 Cyl Wheel Drive Type Unknown Automatic 73000 Miles Our 2001 Hyundai Sonota Started Idling Low...

Changed Car Battery And Then Car Check Engine Light Came On Right Awayy With Rough Acceleration. Changed Spark Plugs And 1st Cylinder Coil....

Initially We Had A Code That Said The O2 Sensor Was Bad. Drove For A Couple Of Weeks Now The Two Codes (301 And 306) Come Up But Nobo2...

1. I Changed Spark Plugs And Air Filter 2. I Changed The Coil Pack On Cylinder 1 3. I Tested Cylinder Compression, Checked Out 4. I Changed...

Will Not Idle Hardly Push The Gas It Revs To Maybe1,300 Rpms Then Loses Power. Coils Good, Plugs Good, New Coil Harness. Could It Be My...

Can You Tell Me The Ohms Reading The Camshaft Position Sensor Should Have When Working Correctly. Thank You!

Engine Performance Problem 2004 Honda Accord 4 Cyl Front Wheel Drive Automatic Replaced Both Cam Sensors Code Returns Car Runs Well...

Number 5 Misfire. I Changed The Plugs Wires Cap And Rotor But Its Still Coming Up

My Blazer Just Got A New Engine Last Year, And Has About 20, 00 Miles On It. I Keep Getting A Ses Light, But Then It Turns Off After...