There is blue smoke coming from my car only when it idle when I stand at a stop light and on a hot day there is a lot of blue smoke coming out of my exhaust when I do a reversed parking. I did replace my O rings but know this is happening.
Please tell me what can the reason be for this smoke, after all I did put on new o rings.
I would probably be more suspect of a valve type of problem in the cylinder heads, worn valve stem seals possibly. You might make sure the PCV system is working properly and can try a can of Engine Restore motor oil additive (available at any auto parts store) to see if that helps. A valve job is probably the solution…but I would need to do some testing to be sure, that is a big job to be guessing at.
The Engine Restore motor oil additive should be used after each oil change. It will help slow down oil consumption, which is what is happening if you have BLUE smoke out the exhaust tailpipe.
Blue smoke is due to an internal oil leak and oil is getting on the spark plugs.
Black smoke is from too much un-burned fuel (engine running “rich”)
White smoke is from coolant leaking internally in the engine and coolant is getting on the spark plugs.