After driving for several miles and let sit for 15 min, on restart engine is missing and lot of white smoke comes out exhaust. takes few minutes then clears up. all cold start are fine.
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Possible cause is several drops of oil are leaking past the valve guide seals when the vehicle just sits. When it is started the oil begins to burn off in the cylinders and after awhile the smoke disappears. I have always recommended cha going the oil to a synthetic and adding an oil additive called Restore. It comes in a cylindrical can in 4, 6 or 8 cylinder size. Put 1 can in with the new oil. Drive the vehicle on the highway for 45 - 60 minutes. I recommend putting on a few hundred Mrs. The additive restores the valve seals preventing the oil from dripping into the cylinders. Have used it on my customers vehicles for 20 years. Saved them a lot of money from replacing the seals.
White smoke is condensation from a buildup of water from within the exhaust system - if it was blue smoke then it is burning oil ... let car sit for a few minutes and take the dipstick out - wipe it clean - then re-insert dipstick - take it back out and check level against gauge at bottom of dipstick if you think you may have overfilled the oil
DRIVE THE CAR AROUND TO CLEAR THE EXAUST PIPES FROM ALL THE OIL AND WATER INSERTED IN THEM WHEN THE ENGINE BROKE!!!TAKE IT FOR A LONG TEST DRIVE AND KEEP UR EYS OPEN FOR INCREACING TEMP OR OIL WARNING........DONT WORRY THE CAR IS OK!!
Run
the engine for several minutes at idle. Turn the engine off and let it
sit for about 15 minutes. Restart the engine and immediately increase
the engine speed while observing the exhaust. If a heavy billow of
bluish smoke is exhausted then disappears and the exhaust remains
relatively clean, the most likely cause is excessive valve guide wear.
In this case, the valve guides or valve guide seals require service. If
the above test only produces mild smoke and the smoke remains at the
same level during all operating conditions, the piston rings will have
to be tested. This is done by performing a compression test on the
engine. The first test is referred to as a "dry test" and the second
test is referred to as a "wet test". The dry test consists of measuring
the engines compression using a compression tester installed in the
spark plug hole and the ignition system disabled. The engine is then
cranked and the pressure is measured and recorded. A few teaspoons full
of oil is then poured into the spark plug hole and the compression is
then measured again. If the reading increases more than 15 PSI, the
rings are worn and major engine service is probably required.
you need to replace your heater core. it is up under the dash on that side of the vehicle. but as for the white smoke it sounds like a possible blown head gasket or a cracked head.
White smoke is usually from water and water will make the car splutter. Did you get water in your tank at some time. If you have water in your fuel, you will have to drain the tank and refill with good fuel. The engine will run fine once it is hot but if a lot of water goes into a hot cylinder it can cause a lot of damage.
Ouch! you've got engine coolant in the exhaust from a leak somewhere...DO NOT run this engine until you get someone (dealer is best in this instance) to diagnose ($50-125)
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