It means the #4 cylinder is misfiring. Can be bad plug, plug wire, burnt valve or blown head gasket. Replace all the plugs and wires and see if the misfire goes away. If not, run a compression test on all cylinders.
P 0304 (M) CYLINDER #4 MISFIRE Misfire detected in cylinder #4
An engine cylinder misfire has been detected on the # 4 engine cylinder
Stop by http://www.coloradofans.com there are different people that have had that problem. you can probably message them personally and see how they got to that problem. P0300= Random/ multiple cylinder misfire detected P0301= Misfire detected- cylinder #1 P0302= Misfire detected- cylinder #2 P0303= Misfire detected- cylinder #3 P0304= Misfire detected- cylinder #4 p0305= Misfire detected- cylinder #5 P.S. These are Diagnostic trouble codes, not vechicle id numbers.
Trouble code P0304 means: Cylinder 4 Misfire Detected
Trouble code P0304 means: Cylinder 4 Misfire Detected
Code P0304: Misfire at cylinder 4 detected.
A misfire has been detected in engine cylinder # 4
the code p0304 is cylinder 4 misfire detected
Trouble code P0304 means: Cylinder 4 Misfire Detected
Cylinder #4 misfireCylinder #4 misfire
Cylinder #4 misfire
Trouble code P0304 means:Cylinder 4 misfire detected