![Anyone know what the cause of this is? It's under the oil cap and the cap was also milky. I know it can be a blown head gasket but can it also Anyone know what the cause of this is? It's under the oil cap and the cap was also milky. I know it can be a blown head gasket but can it also](https://preview.redd.it/anyone-know-what-the-cause-of-this-is-its-under-the-oil-cap-v0-cf4i1xvxlufa1.jpg?auto=webp&s=1102fd5c94b1282e1ac113416d3e95be748f8405)
Anyone know what the cause of this is? It's under the oil cap and the cap was also milky. I know it can be a blown head gasket but can it also
![Been having smoke from engine cap, nothing crazy. Only noticed when changing my oil a couple weeks ago. Looking at the level, did I overfill? : r/MechanicAdvice Been having smoke from engine cap, nothing crazy. Only noticed when changing my oil a couple weeks ago. Looking at the level, did I overfill? : r/MechanicAdvice](https://preview.redd.it/been-having-smoke-from-engine-cap-nothing-crazy-only-v0-vkrcnd3vwad81.jpg?auto=webp&s=a75324661f586f4f5b5c610571e77a7f456dc791)
Been having smoke from engine cap, nothing crazy. Only noticed when changing my oil a couple weeks ago. Looking at the level, did I overfill? : r/MechanicAdvice
![Engine Sludge Causing Smoking on Starting - Can it Be Fixed? - Maintenance/Repairs - Car Talk Community Engine Sludge Causing Smoking on Starting - Can it Be Fixed? - Maintenance/Repairs - Car Talk Community](https://global.discourse-cdn.com/cartalk/original/2X/e/ea64b31004f8804b37dadee6a1bc004508a5af26.jpg)