P CODES (POWERTRAIN) P0300 - P0399 P0302

P0302 Cylinder 2 Misfire Detected. Is It A Big Problem. And, What Can I Do? ; I Am Concerned About This. Thanks.

Hi, I Go To The Store In My Truck And The Truck Runs Great. If I Shut The Engine Off, And Then Immediately Restart It, The Engine...

Chugs In Overdrive Idles Rough, Throws Code P0302. When I Check Cylinder 2 Plugs Look Good, Light Brown Tinge Color, Put New Plugs And...