Eliminate P0304 Code Woes The Ultimate Guide to Diagnosis and Repair

That is the connector for the fuel injector on #4 cylinder. That is the cause of the misfire and your check engine light. Some/ most dealers ... In this video I will show you how to troubleshoot and diagnose a cylinder misfire problem in your vehicle. This problem is caused by either ... A common repair to remedy the P0304 error code is the replacement of the Positive Crankcase Ventilation (PCV) valve. The PCV valve is ... I had my p0304 code keeps coming back when the car is cold at start up, so i cleaned my throttle body put a new new plug and coil on cylinder 4 and still comes ... Take for instance your P0304....a number of items can be the cause, even as simple as an open/short wire at a moment in time, according to FSM ... Engine misfire code P0304 indicated I change spark plugs, wires, and coils which I did. No fix. Then the reading recommends replacing fuel ... The first plan of attack is to replace the coil and plug...in this case on cylinder #4. Has anyone else had this same issue and found that that was the fix? Switch the ignition coil assembly between 4 & 6 and see if you then get a p0306. If so, change the ignition coil. Engine warning light and Code PO304 "Cylinder 4 Misfire Condition Detected" just popped up. · Spark plug malfunction · Ignition system ... OBD-II diagnostic trouble code p0304 means "Cylinder 4 Misfire Detected". This means your cars engine combustion reaction isn't correct in Cylinder 4.