Question about 2005 Volkswagen Golf

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05 2ltr tdi -low oil pressure warning - car stopped

We had a serivce on this car at 50k on wednesday and on friday evening oil pressure warning appeared and the car would not start. Towed to dealer/service centre. They state this is a fuel problem (poor quality). Man what about Australia's great fuel standards!. Experts: does this symptom and treatment make sense? The car is still with the service centre and hoping they fix it $$$$. Oh wife says the dip stuck friday indicated oil...hmmm

Posted by paul815 on

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1 Answer

ROBERT GARCIA

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  • Volkswagen Master
  • 918 Answers

I think fuel has nothing to do with oil , check the oil and filter quality for your engine

Posted on Jul 07, 2017

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5 Related Answers

ginko

Ginko

  • 19396 Answers

SOURCE: Oil Light comes on VW passat

Start checking the oil level, if oil is low then the problem is a leak or weared rings.

If oil level is ok, check that the oil pump has enough pressure.

If oil pump is also fine, then scan the ECU (car computer) and replace the sensor if you do not find anything else being wrong.

Posted on Feb 18, 2009

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csmock132

Clint Smock

  • 4669 Answers

SOURCE: 2004 VW Touareg, Low oil pressure stop engine now light

Sounds like and electrical problem in the oil pressure sensor circuit. I wouldn't rebuild the engine just yet. Hook up a mechanical oil pressure gauge and drive the vehicle with the gauge on it so you know exactly what the oil pressure is.

Posted on Feb 27, 2009

Anonymous

  • 91 Answers

SOURCE: 2003 VW Passat "Oil Press, Turn Off Engine" and "STOP" Light

I would check the oil pressure sensor and the oil pump itself. You can take the sensor out and use a mechanical gauge to check the oil pressure. If the oil pressure is within specs, you need a new sensor, if not, you need a new pump.

Posted on Apr 13, 2009

Sean80000

Sean Piquet

  • 1867 Answers

SOURCE: My car is Volkswagen polo

Do not assume that the low oil pressure warning is a false one or that you only have a faulty oil pressure sensor. Your engine may in fact be running with low oil pressure once the oil heats up and thins out. 8-10 miles of running is enough to get the oil hot. It is significant that you only get the low oil pressure warning once the engine oil is warmed up.

If the oil pressure in the engine is low, engine lubrication will be impaired and the engine can be badly damaged so you need to run an engine oil pressure check.

1. How long has it been since you have changed the oil in the engine? If it has not been changed in the past 6 months then change it and change the oil filter at the same time. You must only use the oil specified by VW for that particular engine.

2. When new oil is heated it thins. If it is old and contaminated it will be even thinner when warm. You will get less oil pressure when the oil is thin and hot and more oil pressure when it is thick and cold. Fresh new oil is a little thicker as it has not been diluted with petrol and other contaminants.
Oil pressure also varies with engine speed (RPM). At idle or low engine RPM the oil pressure is lower.

3. OIL PRESSURE CHECK
After the oil is changed the car needs to be run to check if the oil pressure warning still appears. (I suspect that it probably will). If it does appear then an independent oil pressure gauge needs to be connected up to the lubrication system in the car to check the engine oil pressure. This is best done when the engine oil is hot because this is when you are getting the low pressure warning. Any competent mechanic will be able to do this. ( The useless ones will not). The oil pressure can then be properly checked on the gauge at various engine RPM. If there is a low oil pressure reading from the gauge then there could be a problem with the oil pump, the oil pick up or the oil pressure relief valve in the engine.

4. You mentioned that you see the oil pressure warning disappears once you accelerate. I suggest this is only occurring because with an increase in engine speed (higher RPM) the oil pump speed is increasing and the low oil pressure problem is being overcome temporarily. However as soon as the engine RPM drops the oil warning will appear again which means the engine is running with below minimum oil pressure at that RPM.

Even when you get no warning, the oil pressure in the engine could still be running significantly below the optimum level.


5. It is possible that the oil pressure is fine and that the problem is an electrical gremlin as these cars suffer from a variety of electrical faults. However from what you have described I think there is a problem with low oil pressure in the engine and until it is properly checked it is unwise to assume that you are just getting false oil pressure warnings.

I hope this helps.

Posted on Dec 13, 2010

bakhtarmotor

  • 1 Answer

SOURCE: passat 2006 2.0 tdi 140 engine won't start

hi i need manual of timing belt for passat 2.0tdi 2006

Posted on Dec 20, 2010

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My tdi 2007 jetta engine cut out after overtaking a truck. On further investigation there is no oil on the dipstick but there were no indicator lights on for oil or other warnings. What could be the


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On a dashbord flashing "oil


STOP the engine immediately !!! There is an oil pump failure of 2.0 TDI engines !
Remove the oil pan and the oil pump & balancer shafts assembly.

tdisline_456.jpg


Either the shaft driving the pump from the balance shaft rounds off or the balance shaft drive gears eat themselves.
The same issue ... low oil pressure warning light, noisy rattling engine, and the turbo has gone. Diagnosis: oil pump balancer shaft assembly ...


tdisline_457.jpg

tdisline_458.jpg
tdisline_459.jpg tdisline_460.jpg tdisline_462.jpg tdisline_463.jpg
Many 2.0 TDI engines show excess chain noise and wear anywhere from 50,000-100,000+ miles. Cars have broken the chains/tensioner as low as 65,000 miles. This is just a range of cars that have been reported, diagnosed, and repaired. The actual statistics on dealer repairs or failures is unknown and I've heard cars over 100,000 miles that, in my opinion as a non mechanic (most mechanics wouldn't recognize this sound and problem either), aren't noisy. From what has been reported, noticeable noise/chain-tensioner wear/greater risk of breaking is around 60,000-150,000 miles. Your case may vary. The most obvious symptom is a rattling loose noise from the oil pan. Unless you listen to a Passat TDI with a tight chain and one with a loose chain, it's hard to describe the difference other than rattling chain noise.
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tdisline_464.jpg

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STOP the engine immediately !!! There is an oil pump failure of 2.0 TDI engines !
Remove the oil pan and the oil pump & balancer shafts assembly.

tdisline_448.jpg
Either the shaft driving the pump from the balance shaft rounds off or the balance shaft drive gears eat themselves.
The same issue ... low oil pressure warning light, noisy rattling engine, and the turbo has gone. Diagnosis: oil pump balancer shaft assembly ...


tdisline_449.jpg tdisline_450.jpg tdisline_451.jpg tdisline_452.jpg tdisline_453.jpg
tdisline_454.jpg
Many Passat show excess chain noise and wear anywhere from 50,000-100,000+ miles. Cars have broken the chains/tensioner as low as 65,000 miles. This is just a range of cars that have been reported, diagnosed, and repaired. The actual statistics on dealer repairs or failures is unknown and I've heard cars over 100,000 miles that, in my opinion as a non mechanic (most mechanics wouldn't recognize this sound and problem either), aren't noisy. From what has been reported, noticeable noise/chain-tensioner wear/greater risk of breaking is around 60,000-150,000 miles. Your case may vary. The most obvious symptom is a rattling loose noise from the oil pan. Unless you listen to a Passat TDI with a tight chain and one with a loose chain, it's hard to describe the difference other than rattling chain noise.
The reason the gear drive oil pump modification was started is because a few mechanics who specialize in TDI have seen many worn oil pump chains/sprockets/tensioners. There will always be a few defective parts that come off the assembly line and all mechanical components like chains wear out sooner or later, but in my opinion, the failure rate is abnormal considering the number of Passat TDI sold versus the number of reported oil pump failures. This does not necessarily mean that every or even most Passat TDI will have this problem, just that the reported failure rate is high enough to consider this part a design failure. Nobody, not even VW-Audi knows the average time between failure for these parts and the percentage of cars that will have this problem, but they changed this design and if you want to not have this specific failure, the only sure way is to swap to the geared module.

tdisline_455.jpg

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