P0300 Engine Code Your Trusted Companion to Engine Recovery

How to fix P0300 Code: Random or Multiple Cylinder Misfire Detected A P0300 code is set when one or more cylinders are not firing correctly. The RV goes up inclines without the engine light coming on. After about 300 to 400 miles the engine light comes on. P0300 is a DTC (diagnostic trouble code) which is logged by your Volvo's ECM (car's brain or computer), that then causes your check engine light to illuminate. So just because your car is throwing the P0300 instead of a cylinder specific code, doesn't mean you have a multiple cylinder misfire. I would ... Diagnostic Trouble Code P0300 indicates multiple cylinders are misfiring or PCM cannot identify which cylinder is misfiring. Are any other ... The P0300 code specifically relates to a random or multiple cylinder misfire within the engine. Misfiring occurs when the air-fuel mixture in a ... that code is just what it says. random misfire. the computer is not pinning it down to a certain cylinder, it could be anything. state of tune, ... I finally discovered that the right bank on my engine is experiencing the p0300 code. I also checked the cats and found that the right cat ... The P0300 code is for a random misfire. A tune-up might help but I doubt it. It never hurts to put a new set of plugs in. However, random ... According to THIS article, it takes a 2% reading to trigger the cylinder misfire code. Since you have a P0300, it states that the misfire ...