Question about 2007 Porsche 911 Carrera S Coupe

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Sooty exhaust and excessive oil consumption?

I have a 997 Carrera S Tip on 54 plate with 46,000 miles on the clock which I purchased from a specialist dealer in early June 2008.  I have noticed that the oil consumption is excessive (approx 1 litre every 500 miles) and that the exhaust on the left hand side becomes "sooty" after about 100 miles.  Has anyone heard of this problem and what maybe the cause.  The vehicle is under warranty.

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2006 C4S Tip, 26,000 miles Now in Porsche dealership having the engine stripped. They are suggesting that one of the pistons is starting to fail. Their diagnostic equipment shows no fault codes but further testing has shown that one bank is having to work harder than the other side. Their prognosis is a new engine. Do not let your warranty expire!!! Also see here: http://www.pistonheads.com/gassing/topic.asp?h=0&f=48&t=731645&mid=154532&i=0&nmt=OPC - Does this sound odd to you?&mid=154532

Posted on Aug 12, 2009

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Eng was low on oil by 1quart


Add 1 quart.
Look for obvious oil leaks.
Check to see if it is burning oil.... sooty exhaust pipe.
Check PVC valve and where PVC pipe goes into manifold or air cleaner for excess oil.
Depending on age of engine and time between checks for oil level, this may not be excessive.

Mar 16, 2015 | Cars & Trucks

1 Answer

My 2008 chevy avalanche is burning 1 quart of oil every 1000 miles


How many miles on your vehicle ? Do you see any leak spots on the ground from the truck ? Blue exhaust , oil burning , valve guide seals , piston rings , PCV clogged .

Oil Consumption Diagnosis
Checks
Causes
Excessive oil consumption, not due to leaks, is the use of 1 L (1 qt) or more of engine oil within 3 200 kilometers (2,000 miles).
Preliminary
The causes of excessive oil consumption may include the following conditions:
• External oil leaks
Refer to Oil Leak Diagnosis .
• Incorrect oil level or improper reading of the oil level indicator
With the vehicle on a level surface, run the engine for a few minutes, allow adequate drain down time, 2-3 minutes, and measure for the correct engine oil level.
• Improper oil viscosity
Refer to the vehicle owners manual and use the recommended SAE grade and viscosity for the prevailing temperatures.
• Continuous high speed driving and/or severe usage
• Crankcase ventilation system restrictions or malfunctioning components
Refer to Crankcase Ventilation System Inspection/Diagnosis .
• Worn valve guides and/or valve stems
• Worn or improperly installed valve stem oil seals
Refer to Spark Plug Inspection .
• Piston rings broken, worn, or not seated properly
Allow adequate time for the rings to seat.
Replace worn piston rings, as necessary.
Refer to Cylinder Leakage Test .
• Piston and rings improperly installed or not fitted to the cylinder bore
Refer to Lower Engine Noise, Regardless of Engine Speed

Jun 14, 2014 | 2008 Chevrolet Avalanche

1 Answer

Abnormal exhaust smoke


definitely an oil consumption problem. How many miles? Could be worn rings and or valve guides. The oil light on when hot indicates low level or possible or weak oil pump. Check compression for possible head gasket or cracked head. I wouldn't drive it untill diagnosed.

Mar 14, 2014 | 1996 Audi A4

1 Answer

I have a volkswagon 2008 Eos and have been told by the dealer it is normal for it to use oil. Now I hear a knock coming from the exaust. It has 65000 miles on it just out of warranty.


oil consumption of say 1/2 litre in 5.000miles would be normal even 1 litre in 5.000miles would be ok but any thing else is staring to be excessive. Oil consumption is an indication of a problem with the oil control rings and valve stem seals . Add to that your statement of a knock coming from the exhaust I would be inclined to have a compression test done to determine the condition of the engine . I consider 65.000 miles to be a little young for bad oil consumption so with the noise I would suspect a broken ring and a scored bore

Dec 24, 2013 | Cars & Trucks

1 Answer

Specs


Hi Chuck:
The sensors are located in the exhaust system. On some vehicles one sensor is located up at the exhaust manifold and the other sensor is located down at the catalytic converter. On other vehicles both sensors are located down at the catalytic converter.

Testing - 2000-2003
Perform a visual inspection of the sensor as follows:
  1. If the sensor tip has a black/sooty deposit, this may indicate a rich fuel mixture.
  2. If the sensor tip has a white, gritty deposit, this may indicate an internal coolant leak.
  3. If the sensor tip has a brown deposit, this could indicate excessive oil consumption.
  4. Warm the engine until the coolant temperature reaches operating temperature.
  5. Run the engine at idle speed.
  6. Connect a voltmeter between terminal 4 (grn/brn) and ground.
  7. Increase and decrease the engine speed quickly several times.
  8. Specification should be 0-1.0 volt.
    NOTE The rear sensor voltage does not fluctuate as quickly as the front sensor.
  9. If not as specified, inspect the on-board diagnostic system, exhaust system, intake manifold system and fuel line pressure.
  10. If all systems are normal, replace the sensor.
  11. To check the heater, be sure that the ignition switch is OFF.
  12. Disconnect the sensor connector from the wire harness, if not already done.
  13. Connect an ohmmeter between terminals 1 and 3. Measure the resistance.
  14. Specification should be approximately 2-4 ohms at 68 F degrees.
  15. If not as specified, replace the sensor.
Hope this helps; also keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using Fixya, and have a nice day.

Dec 14, 2011 | 2003 Kia Rio

1 Answer

Where is the oil filter located on '05 Carrera, and do you have to take the car to a dealer to reset the oil change?


997 Porsche - Oil Filter Location.

This is the easiest way to respond to your query. Please refer......

http://forums.rennlist.com/rennforums/997-forum/286484-diy-oil-change-in-the-997-a.html

If you have been under the car at the rear it is surprising that you could not locate it. Purchase the correct tool (as shown in the photos) for the cannister removal before you attempt to replace the oil filter.

Sep 13, 2011 | 2005 Porsche 911

1 Answer

I have a 1997 model Toyota 4runner SR5, which I bought within the last three weeks at 230,000 mile but the fuel consumption is excessive and had been bringing out black smoke from the exhaust pipe


black smoke when driving.(not slowing down)is an indication that the rings are shot.(engine rebuild)exhaust will smell of oil.black smoke on deceleration indicates valves stems worn.(head rebuild)

Oct 04, 2010 | Toyota 4Runner Cars & Trucks

1 Answer

My Buick Regal used 2 quarts of oil in 3,000 miles. When I was adding oil I noticed that my coolant reservoir (which had been bright green at my last oil change) was now brown and oily looking. I have...


You seem to have a bad head gasket. Check the exhaust,while running,to see if white smoke is
pouring out.Get it checked out ASAP,since you don't
want to severely damage the engine any further.
Good luck.

Apr 01, 2010 | 1995 Buick Regal

1 Answer

2006 Town & Country burning oil excessively. 40,000 miles; burning 1 quart every 1000 miles; no signs of the oil anywhere


At 40K miles it shouldn't burn that much oil, unless the motor has been abused or overheated. With no signs of oil leaks, the engine must be burning it via the exhaust,

Change the oil (use a good quality oil) and then observe oil consumption.

If it still uses excessive oil check further as below:-
1) if it blows blue smoke on steady accelleration (pistons or ring wear),
or
2) only blows blue smoke on initial accelleration after a period of steady coasting or de-celleration (faulty valve stem oil seals).

Jan 22, 2010 | 2006 Chrysler Town & Country

1 Answer

Vw passat 2008, 3600 miles, using oil, has soot at exhaust pipes


the oil consumption could be worn piston rings or the egr is clogged and forcing oil into the air intake but that new of a car its unlikely unless someone sugared the gas tank the sooty exhaust could be from the oil consumption

Nov 12, 2008 | 2008 Volkswagen Passat Sedan

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