Oil Cap Off Engine Stalls

Remember not to open the cap when the engine is hot.

Oil cap off engine stalls. 2013 mustang 3 7 v6. Engine stalling problems can be hard to find and are often sensor or temperature related. This ll give you a little idea how oil moves around inside an engine. By removing the oil cap you have introduced a large air leak in a closed pcv system.

It means that the fuel system is working as advertised. Z4 2007 3 0 si almost 100k km mobil 1 0w 40 no power loss so far no failure codes nothing at all. Engine stalling is more likely to occur during cold weather or when starting a cold engine. Just messin around with my car.

There could be two possible reasons for smoke coming from oil cap. Some systems are that sensitive bmw for example will do the same thing if tuned properly if there is a problem with the engine it would be that it is running on the lean side. It will have stalled becuase it will have sucked air onto the inlet system through the oil filler hole this will have messed up the air fuel ratios seeing it will have been sucking in air after the afm so the afm will not have been able to get the mixture right. When the fuel bypasses worn.

However i have no idea what is. Hot fuel bypasses worn valve stem seals and rings. Also close the tank with the cap when you are done. Clean up if there is any oil residue.