How to repair your audi q5 2.0t When the code p0304 is set in the powertrain computer, it means that the misfire monitor has detected more than a 2 percent variance in rpm between the firing of any two (or more) cylinders in the firing. When an audi vehicle displays the diagnostic trouble code p0304, it indicates that a misfire has been detected in cylinder 4 of the engine
Ошибка P0304 Audi: причины и решение проблемы
A misfire occurs when the fuel in the cylinder is not.
Possible causes of a p0304 code
Bad spark plug or spark plug wire bad coil bad fuel injector if equipped, distributor cap mechanical problem (valve,. If your audi q5 has p0300 and p0304 error codes, it’s best to diagnose why the fourth cylinder is misfiring and see if that will fix the p0304 code Try doing the swap test from the previous. Recognizing the failure pattern (which cylinders fail first) and replacing as a set.
A p0304 code indicates cylinder 4 misfire, often caused by faulty spark plugs, ignition coils, or fuel injectors White smoke suggests coolant entering the combustion chamber, possibly from a blown head.