There is white smoke that come from the tail pipe and a little every 4 minutes under the hood did that like four time than stop and the fan is not coming on what could these things be
Re: There is white smoke that come from the tail pipe and...
White smoke out of the tail pipe may be an indication of a bad head gasket in the engine. Pull your oil dipstick out and see if the oil looks a little milky.
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Where is the white smoke coming from? Under hood? Out tail pipe? If excessive white smoke from tail pipe, suspect a head gasket failure which in turn will fill the cooling system with exhaust pressure forcing the coolant to come out of the reservoir and resulting in an overheating problem
no idea what that means.?????? yes PCV valve. do clog.
white smoke at end if tail pipe. you didnt say where,?
white smoke has 2 reasons.(tail end) Steam and oil. steam goes away fast and looks just like moms tea pot. and smells sweet, like the antifreeze in engine. (rad cap off ,sniff sniff, cold engine)
oil burning, smoke is very very slow to go away. and smells like , blush burned oil. if not sure what burn oil looks like or smells like take out the dip stick on a hot engine let it drip to the hot exhaust manifold there. now you know. and is a key diagnostic skill.
no oil seen on dip stick end?, you mean that? well you need to keep that from happening, doing weekly service, and for sure old cars. 26 years old.
low oil invites blowing up a good engine. for sure. if it did that smoke is oil if it did 10x worse, both .
my wild guess is you meant to say I didnt see oil leaking on top of engine. right?
if the engine backwires to the air cleaner you forgot to replace the cam belt every 60k miles the pcv will also be clogged, on cars not getting proper service, super colon. if the PCV clogs,engine may leak oil bad.
this engine btw is a G10 3 cylinder. with TBI injection. we can talk TBI all day, owned one.
white smoke can come from many places exhaust manifold, leaks of oil can land there engine can back fire to air cleaner making smoke. tail end. steam is much worse. ill not delve in to that yet/.
Regarding 2001 audi a6 quattro 2.7t....i was driving to work the car was fine then white smoke starting coming from under the hood and tail pipe. i stopped veilce and alot of oil was dripping from front of car. I towed it home and i looked under the hood and there was oil from valve cover gasket. i let the car sit for a few days, had it running again for a good hour and no white smoke was coming out. I removed the valve cover and gaskets are all bad. i want to know can the valve cover gasket leak cause the white smoke to come from exhaust pipe?
If smoke comming from tail pipe then the valve seals r leaking if from under the hood then the valve pan seals r leaking on to the exost manafold and thebpil is then burrning off if tail pipe then it means motor work if under the hood then just replace the gaskets for the valve pans and the leaking/smoking should stop
Run it for a minute, then shut it down and pull the dipstick for the oil, see if there's water on it, that would tell you if the head gasket is bad. If you're still unsure, drain the oil into a pan and look for coolant in there
One of the main causes of white exhaust smoke and coolant loss is a cracked or warped cylinder head, a cracked engine block, or head gasket failure caused by overheating. A cracked head may allow coolant to leak into one or more cylinders or into the combustion chamber of the engine. Dirty coolant, a poorly maintained cooling system, a low coolant level, or a non-functioning cooling fan can cause engine overheating. In addition, engine wear can eventually cause the gaskets to lose their capacity to seal properly allowing internal coolant loss. Intake manifold gasket and head gasket failures are two of the most common sources of internal coolant loss caused by engine wear.
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