Question about Cars & Trucks
Something under my hood is smoking. Help please.
Probably just oil dripping from an old valve cover gasket onto the exhaust manifold. The one bolt in your video looked grungy with oil, etc. Just check the oil level over a week or so to gauge oil loss. If it's negligible, you've got a 'smoky' car. Otherwise you could try to firm up the valve cover bolts, they do loosen over time. Be careful- there is a tightening sequence and they can't take too much tightening or they break.
Another reason could be that during an oil filter change, oil spilled onto the exhaust manifold, in that case it'll resolve itself with time and heat. Good luck.
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Posted on Jan 02, 2017
SOURCE: smokes from under hood
First you have to identify the source of the leak. Check the valve cover gaskets if leaking excessively they can leak on to the exhaust where the oil would burn and cause it to smoke and smell. It can also coat the O2 sensor and cause the check engine light to come on.
Posted on Mar 09, 2012
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