This is usually a bad coil pack. This cylinder is located in the middle back. I had a lot of dealers that didn't know and some manuals are wrong. They run 1,3,5 on the back.
Trouble code P0303 means: Cylinder 3 Misfire Detected
Trouble code P0303 means:Cylinder 3 misfire detected
P0303 : misfire cylinder #3
Cylinder #3 misfire
p0303 is cylinder #3 misfire
P0303 is cylinder #3 misfire. P0300 would be random misfire. Either way you need to diagnose the case of a misfire. Check spark plugs, plug wires(if equipped), cylinder compression, fuel inectors, and wiring.
Random misfire, cylinder 2 misfire, and cylinder 3 misfire. see related question below.
Trouble code P0303 means: Cylinder 3 Misfire Detected
P0303, cylinder #3 misfire. Check plug, wire, coil, etc.
Cylinder number three misfire.Cylinder number three misfire.
Trouble code P0300 means: Multiple Cylinder Misfire Trouble code P0302 means: Cylinder 2 Misfire Detected Trouble code P0303 means: Cylinder 3 Misfire Detected I would change plugs and wires
Trouble code P0303 means: Cylinder Number 3 Misfire Detected