No Never, you must use Fuel 90, 92 or 95 (and Higher), but some Cars needs Diesel Like Hyundai H1.

Warning!:: If you used Fuel 80 your Car will be completly destroyed and it won't go to up to 120 KM/H.

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Note:: Better Feul (95 or 98 etc...) Costs more money I use 92.

It could DEFINITELY cause it, I am not saying that you can not modify your engine, Just keep in mind that an engine is an air pump, and The piston comes up to top dead center, (NOTICE THE USE OF THE WORD,DEAD) when the piston is down it has about as much volume as A drinking glass in the cylinder, When it is up, it has about as much as you would have in your mouth, NOT CAN HOLD, WOULD HAVE IN YOUR MOUTH WHEN DRINKING WATER,The TURBO CHARGER compresses the air BEFORE the engine gets it, So what would normally be equal to A GLASS of FUEL/AIR MIXTURE, Is now equal to A 2 liter bottle, When you "ADJUST" the pop off, Or really tighten it up, You do not let the EXCESS air escape before it hurts your engine, You definitely need to "READJUST" the pop off, at least A littly, KEEP IN MIND, you may have already broken rings, or piston, or bent rods, or blown headgasket, For your sake I hope not,REALLY GOOD LUCK, Jamison

Burning oil

Trouble code P0463 means:Fuel level sensor circuit high input

Thick black smoke can be produced by a variety of things, including the burning of some kinds of plastic.

sounds like it could be your oxygen sensor. If it was me I'd replace it. If you smell a strong odor of gas, it could be your MAP sensor. You might also have a bad pickup in the distributor. Good luck.

White smoke from the exhaust is a sign of a blown head gasket. Stop driving the car until you get this repaired. Coolant in the combustion chamber will destroy this engine in short order.

no

White smoke is an indicator you have a head gasket leak. The white smoke is actually water or coolant mixing into the combustion chamber with the fuel and air. Have you noticed a bit of a rough idle? Have you looked at your coolant level lately?

Exhaust gasses are escaping through a hole or rotted section of exhaust system

To silence the exhaust. Noisy cars disturb the peace and if loud enough your car won't pass inspection and cops will find a liking to you.

water

Blue smoke can be caused by a blown head gasket. .

Blue is oil being burned in the engine.

Is your check engine light on ? If it is then have the engine scanned with an engine scanner. Black smoke means engine/fuel system is to rich./to much fuel.

Could be the MAP sensor,Fuel pressure regulator, coolant sensor. You need to scan the engine.

White smoke from the exhaust pipe indicates that the engine is allowing water into the cylinders. The water then boils in the cylinder and exits the engine as steam (white smoke). This could be be from the inlet manifold (especially if the engine is a V), it could be a head gasket (leak between the water jacket & the cylinder). Or worst it could be a cracked cylinder head.

Or, you're burning oil and you need an oil change.

What can cause black sooty exhaust is bad valve guides. When the guides are bad oil leaks into the cylinder when the car isn't running. When the car starts it produces black exhaust.

967

Excess fuel.

If it only happens on start up it is probably just some condensated water in the exhaust system. It is possible that a small leak in the head gasket causes coolant to leak into the cylinder while the car sits and burn off right away, but you will notice a drop in your coolant level.

Could be carbon build up? Look up "seafoam" on Google Video or any other video sharing site. If the smoke looks like that, then yes, it's likely carbon build up within the engine that is getting "burned off" upon start-up.

Advanced timing can cause that to happen

It depends exactly what it has failed on. As very few people have the required equipment most cars need to be taken to a competent mechanic for proper diagnosis and repair of the problem.

IF its doing this only when it warms up, it might be a bad coil - is it getting gas?

You might have a blown head gasket or your engine block is cracked.

Edit to add; The white smoke is steam. That means that your coolant got into your cylinders. A blown head gasket is the most likely cause, but a cracked engine block or warped aluminum heads are possibilities.