Blue smoke on startup warm engine

If you are using a quart or more between oil changes and are not leaking then you should check the PVC valve first and valve guides second and rings third . Ouick check for guides is warm the vehicle up , at speed lift up on the gas abruptly and look for a puff of smoke out the tail pipe . If your guides are very worn then you will get a puff on cold startup . Rings symptom is constant blue smoke when running . PCV may not show symptoms other than oil consumption. If you have a turbo then that might be your problem

I would check for a defective PCV valve. If it has not been changed, I have seen cases where they suck the oil right out of the engine. Depending on the mileage, I wouldn't be concerned over a small puff of smoke when starting the engine. Thanks.

Blue smoke is caused by burning oil, if it only puffs for a minute on initial start up I wouldn't worry. It is really common for newer fuel injected engines to blow a small amount off blue smoke on cold startup. Plus rx8 use oil while the engine is on, if you are new to rotary engines then a little bit of history on this engine is they do burn much more oil than a typical piston combustion engine, that is due to the lubrication system, it actually uses oil in the entire rotary housing so the rotors dont get too hot. you are supposed to check/add oil every 2 gas fill ups. you would think the would come up with a better system, but thats the downside to a rotary. they are mean engines though. they are a 1.3L but, your oil seals might be going or your ignition coils or spark plugs may be going bad.

Blue smoke is caused by oil. Rich running causes black smoke and will set the check engine light. Rich running (black smoke) on startup could be caused by a leaking injector. The blue smoke puff at startup is likely valve stem seals leaking or a bad crank case vent malfunction and sucking oil into the manifold at high vacuum conditions.

Vehicle Starts, Runs and Loses Power

http://whoisbyme.blogspot.in/2012/07/vehicle-startsruns-and-loses-power.html

--------------

Its a hot start issue.

Can be related to low fuel pressure or problem with crank sensor.

Also it can be weak battery or starter.

But possibilities are to be inspected to confirm what exactly it is.------

To troubleshoot and confirm the issue,i suggest you refer few solved help links with similar types of problem like yours:------

Click the link below:------

1991 Toyota Trecel: Engine Starts fine but dies when gets Warm?

http://whatisbyme.blogspot.in/2012/05/1991-toyota-trecel-engine-starts-fine.html

-------------

1994 Toyota Pickup: Starts fine but dies in few seconds?

http://howtobyme.blogspot.in/2012/05/1994-toyota-pickup-starts-fine-but-dies.html

------------

1995 Lexus LS400: Running Hot?

http://whatisbyme.blogspot.in/2012/05/1995-lexus-ls400-running-hot.html

------------

2002 Toyota Camry: Puff of Blue or White Smoke while Starting?

http://whatisbyme.blogspot.in/2012/05/2002-toyota-camry-puff-of-blue-or-white.html

------------

Multiple problems on car: Car runs hot, A/C blows hot and car starts surging?

http://schematicsdiagram.blogspot.in/2012/04/multiple-problems-on-car-car-runs-hotac.html

--------------

Delay starting on Toyota Prius?

http://schematicsdiagram.blogspot.in/2012/02/delay-starting-on-toyota-prius.html

-----------

Honda car will not start intermittently?

http://technoanswers.blogspot.in/2012/02/honda-car-will-not-start-intermittently.html

--------------

Vehicle Starts, Runs and Loses Power

http://whoisbyme.blogspot.in/2012/07/vehicle-startsruns-and-loses-power.html

--------------

Intermittent starting issues on Volvo 760?

http://schematicsdiagram.blogspot.in/2012/02/intermittent-starting-issues-on-volvo.html

-----------

Car starts and cuts off immediately?

http://repairhelpcenter.blogspot.com/2012/01/car-starts-and-cuts-off-immediately.html

-----------

===========

These details will help.

Thanks.

Still think ot vacuum related .This will push the revs up sky high .Get a good cigar and pulloff a vacum pipe .Take a good puff on the cigar now puff the emoke down the vaccum pipe .Now do you know what your looking for .You got it ,,, smoke ,,,,than you have found the leak.Thats if you have one ..Can you get a obd check it will tell you what it is ..Thermostat removal wont change the engine revs

This sounds as if you have a rather High Mileage vehicle. (100,000+)
The puff of blue smoke is oil being burned in the cylinders. When the engine is cold, it will burn some oil, usually sucked in through the Valve Stem Guides.
Then after the motor warms up, and all the metal parts swell a little, it stops smoking as much. It is STILL smoking, but not enough for you to see it.

Obviously, you are losing engine oil, so check the oil level often, and refill/change as neccessary.

The 'strange smell' could be many different things. My best guess is that you have Oil Leaks on the engine, which is dripping on to the Exhaust Manifold, and getting burned there. Usually a Valve-Cover Gasket leak. When the car is all warmed up, open the hood, with the engine running, and see if there is any whitish smoke rising from the motor. if so, you have a leak on to the manifold. A very common problem, easily repaired. Or, you may have a leak in the heaters' Core, which will leak Anti-freeze into the cabin of the car. That would smell sort of sickly-sweet. This will be a much more expensive problem to repair.

Anyway, it sounds as if the car is in need of some maintenance.

it sounds like valve stem oil seals are gone hard try an oil conditioner in it

YOU MAY HAVE BLOCKED OIL RETURN HOLES,REMOVE VALVE COVER AND CH# THE 2 F/R

If it only has 500 miles on it I would drive it awhile before doing anything. It could be the rings just haven't seated in yet.