hey guys is it normal for my jag to have Lite thin smoke coming from the exhaust even when engine is warmed up?

The car runs perfect

 

Yes and No:
Water is a byproduct of the Catalyst reaction so will be emmited as vapour(steam) so depending on ambient temp can be seen even on a warm engine.
I find it best to sniff the exhaust just to see if it aint oil or coolant burning?

But if you aint using coolant or oil and no CEL then its probaly normal.

 

My Jag "smokes" steam when the outside temperature drops to a certain level, usually when I'm stopped at a light after a few miles of driving. I've always thought it was normal, as I am not losing oil or coolant.

 

Vapor condensation - yes, if the engine is warm and the weather is cool. Look around, is everyone's car is showing vapes, your Jag will too.

Smoke, no, not normal
White SMOKE is indicative of water in the oil (think cracked head or block but this is very different than white vapor. While I don't encourage inhaling your exhaust, you will probably smell coolant. Watch your coolant level of course and don't let your imagination run away with you. Not a common occurrence.

Blue SMOKE, you're burning oil

Black Smoke, fuel problem

 

All myJags have smoked (steamed) like that. Not oil or coolant, or rich fuel. It just might be the way that the exhaust is run. I think it's rare that the rear mufflers get that hot to evaporate all the moisture when temps are sort of cool. My super "steams" more than my other Jags, but its just vapor. I was concerned about it a couple of weeks ago, but the rest of the cars around me were doing the similar thing. Dual exhaust doesn't help much for the cause. It really freaks me out when I go WOT.
Most likely an issue with the fuel,or other items would have shown its ugly face in my fuel trims or O2 sensor readings, but wouldn't throw a code.
This is not like the old 4.0 6 cylinder motors that would leak down oil, and smoke until it burned off.
I'm not loosing any oil,water either. Also many times when its a water or oil issue and levels don't change, its because the oil and water are mixing, so no level change. But as we know it will show up with milky oil, or oilly coolant.
Wait till you get behind another Jag and see it, you will feel so much better.

You should see it at WOT at -5F.

 

I did suggest "sniff" inhaling exhaust fumes I would leave to Jeremy Clarkson he is paid plenty to do that job!!

Like most things in life it is best to be aware of the smells and sounds around us and in our close environments.

Makes it easier to recognise when changes occur?

 

thanks everyone! I dont think anything is wrong with her just the smoke concerns me.

 

Reading this thread, it seems it could be smoke or it could be vapour. However if the car is running OK just keep things under observation. If you get a low coolant alarm in the next month you'll know it could be serious !

 

It's been cool in Vegas, completely normal. I see so much vapor in my rear view in the mornings it's sometimes hard to see through it.

 

Cool ???? Just imagine what mine looks like at 10F. Mine is like a magic act in Vegas if your behind me, all you see is my big Jag rear end. Hit the gas when the light turns green, BIG cloud, when the cloud disappears I'm gone too.
Gotta love these cars!