I have a

EngineSize: 1.4 
Registered in year: 2012
FuelType = Petrol

A day before I noticed a light white smoke from the rear view mirrors and I was already an hour into the journey. I reached home and got my flatmate to rev the engine and I could see light white smoke exactly like water vapour.

I researched online and most people say that it is just condensation and water building up in my exhaust due to cold/wet weather(I am from UK so wet cold almost everyday) and they say the white vapour like smoke should disappear after the engine reaches certain temperature.

But in my case the water vapour like smoke, though very light is always there. Most people suggested a coolant leaking into the engine, and I did mark the coolant level with a black marker before driving and after about an hour or so of driving I reached home and checked the coolant the level seems to be consistent and hasn't fall below the black mark.

Another thing is that my car recently leaks rain water only at the driver's side floor. Could this be as well.

What is going on with my car ??

  • Welcome to Motor Vehicle Maintenance & Repair! – Pᴀᴜʟsᴛᴇʀ2 Apr 30 '18 at 12:12
  • @Pᴀᴜʟsᴛᴇʀ2 Thank you. Any suggestions/answer to my question.?? – Sanjok Gurung Apr 30 '18 at 12:15
  • I’m thinking coolant in the engine. Need to check coolant levels in morning before starting vehicle. Need to check BOTH overflow and radiator if your vehicle has a simple overflow bottle design. My guess is coolant loss will be noticeable when measured that way. Question: can you smell the smoke? It’s not oil, right? – zipzit Apr 30 '18 at 15:25
  • @zipzit Hi I did check my coolant with a black marker, and so didn't notice anything. While smelling the smoke I, it doesn't smell oil, it just smells like water vapor. – Sanjok Gurung Apr 30 '18 at 15:36
  • Smells like chemicalized water vapor – Sanjok Gurung Apr 30 '18 at 15:43

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