Question about 2008 Saab 9-5

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Help! My Saab is smoking grey out of the engine and the tailpipe.

My 2000 Saab 9-5 was is smoking grey heavily out of the exhaust pipe and the oil area in the engine. I think there was a small oil leak that perhaps got out of control. It started smoking while driving on the interstate. We put oil in it right away but it did not seem to totally help. Also, when it first started smoking we shut off the air conditioning and that made it stop for awhile. Yes, oil depletion is very bad. I am assuming that is what happened. However, I was able to get the car to our house. It was also not accelerating normally. What do you think the problem is and how much would it cost to get fixed?

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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dmfixit
  • 226 Answers

SOURCE: Smoke out of exhaust and loss of power

this sounds like antifreeze entering the crankcase..blown head gasket .warped head . cracked the block . pray it's only a blown head gasket and get it checked for cracks and straightness with a new head gasket might be all that's needed. the high pitched whining noise was probly your waterpump spinning dry . might need a new water pump to (where is your coolant lvl and what is the strength of it for the cold weather)
and a few exaust doughnuts wearing thin letting smoke out in the engine compartment not healthy to breath you should get it looked at.

Posted on Jan 08, 2009

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  • 1 Answer

SOURCE: White smoke from exhaust

turbo

Posted on Mar 31, 2009

  • 3 Answers

SOURCE: My car is idling low, stalling and having trouble starting

You might want to try replacing the Crankshaft Position Sensor. Saab 93's and 95's are notorious for these faulty sensors. they don't cost much, mine cost around $55 with tax and it took me around 1 hour to replace. Go to this website: www.fixmysaab.com then search for 95_repair. They show you how to replace the sensor. They even include pictures and the tools you will need(only a long ratchet with a swivel attachment). Try this before taking it to a dealership as they will mostly likely charge you app $400 plus for less than an hours work! I hope this helps 8)

Peace and happy driving 8)

Posted on Apr 17, 2009

alicantecoli
  • 22246 Answers

SOURCE: no air conditioning

could be ,check the belts first though

Posted on Jun 28, 2009

pippall
  • 1486 Answers

SOURCE: my saab 9-5 wagon wont start

water temp switch faulty.

Posted on Jul 04, 2009

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Engine started and was smoking very bad but wouldn't stay started now it won't start at all but will turn over.


The engine was smoking very badly? Was any smoke coming out of the tailpipe? If not, either the exhaust manifold is broken or off the vehicle, or the exhaust pipe is broken, has a hole in it, or it is completely missing! Is it really loud?

You SAID the engine was smoking. But if you said that in error, then perhaps the exhaust system is okay, but oil is getting into the cylinders. Check for a PCV (positive crankcase ventilator) valve that may not be working right. Another thing that can make heavy smoke come out of tailpipes is a head gasket leak, with antifreeze getting into the cylinder chambers. How is the oil level and the coolant level? If there is that much smoke, it is advisable to not drive the vehicle for any reason except an emergency!

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Hi Sean, I'm in agreement with Wes, unless you drove through a puddle or river or somehow got water on the hot parts of your engine? When you say there's smoke coming from the engine, where is it coming from? Is the smoke coming from the exhaust tail pipe or is something leaking from somewhere in the engine compartment and dropping onto something hot and burning off there? If its the latter, have a look around the engine where the 'smoke' is most dense and look for dampness from, for example a tappet cover, a leakage in the cooling system or from the power steering system. If the smoke is coming from the tailpipe, as Wes has said there can be several reasons. The catalytic converter converts the harmful gas into water droplets which become vapour and looks like steam from start up until the engine is partially warmed. If the smoke is blackish grey it will usually mean that too much fuel is being fed into the combustion chamber and is not being burned completely. In the event of that happening a fault code should be recorded, but as you have not told us the vehicle you have we don't know how old it is, or if it is fitted with diagnostics. If it has a cat it should have. If the smoke is bluish grey the indication is oil burn. To test that, have someone sit in the car, start the engine and hold the RPM at about 2000. You go to the rear of the vehicle and if the smoke is that colour (bluish grey) suspect either worn piston rings or valve stem oil seals. Don't keep the engine at that RPM for more than 30 seconds, as we don't want to upset the neighbours or damage the engine. Please get in touch with us and let us know more details Regards John (and Wes)

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Well for starters, that oil has to be going somewhere, obviously.  So most likely it is the piston rings, these wear out over time regardless of how well taken care of your car is.  Check the exhaust out while the car is running, if there is a white-blueish smoke, thats piston rings.  if it is more grey-ish, thats most likely a head gasket, in which case check the coolant overflow for color, and remove the oil filler cap and look on the inside, if you see a nasty looking white film, thats caused by water/coolant in the oil, most likely leaking through a bad head gasket.  Or it may be leaking out somewhere, if there are no puddles it may be leaking near a hot exhaust pipe/manifold and burning off.  
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