why does my oil look dirty when i check my oil level?
all automotive motor oil contains detergent and dispersant additives which will hold oil degradation and by-products of fuel combustion in suspension.in short, a dirty oil is doing its job.the oil is designed this way to prevent these contaminants from depositing on engine surfaces where they can cause piston rings to stick and plug oil pump screens.the oil works in conjunction with the filter to remove these contaminants back to start