It is strongly linked to a known engine design issue involving fuel dilution
The most probable cause is a faulty fuel injector, which often.
Probably a head gasket, most misfires on this gen are caused by it, it might not be bad enough to be very obvious yet so take it to the dealer and let the pressure test and bore scope to.
Diagnosis steps, parts needed, and repair costs.
The p0303 code means that cylinder #3 is misfiring or is randomly misfiring
Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on.
P0303 indicates that cylinder 3 is misfiring randomly or is misfiring intermittently
Once an intake leak has been ruled out, check the spark plugs on cylinder 3 for wear and replace them if.
P0303 means cylinder 3 is misfiring
Learn symptoms, common causes, diagnosis steps, proven fixes, and typical repair cost ranges to prevent catalytic converter damage.
Here, we’ll walk you through.
Misfire means that the combustion.
P0303 code indicates a cylinder 3 misfire
Learn common causes, repair costs, warning signs, and how to diagnose and fix the problem before it causes engine damage.