Polo GTI High Oil Usage - Discussion Thread

[danield]

What was your oil consumption ?

Around 600ml per litre. The car dealer I bought the car off (used not new) had some nice words to them for me. I have bought 7 new cars from them so they look after me.

[Nyassa]

My oil comsumption test is just completed. Result is 900gr for 1000km . So they accepted that this is not normal and I am now waiting for VW Turkey's answer. As I informed, there are three options. First one is oil jet upgrade. Second one is engine rectification and last one is new engine. I hope to solve this problem with oil jet upgrade. Other two options may be disadvantage in future if want to sell my car.

[Harrydhillon]

Had mine tested last week. Results were 750ml per 1000km... VW has approved for a new breather and oil squirters. Waiting for the local dealer here to call me when parts arrive. Took me 3 trip back to the dealer to complete the consumption test.... And have to re do once parts replaced....

[BenT]

13,000 kms, no oil used.

[Harrydhillon]

mine was like that till it hit its first service....

[Nyassa]

They just called me today. They will change my oil jets . I hope this will solve my problem.

[beagleONE]

are the current (2014 jetta 118tsi) motors still experiencing this oil consumption issue?
if anyone could weigh in, and let me know the break in method you used for the motor it would be greatly appreciated.

[Nyassa]

2000ks done since oil squirters done.
Oil level has not moved on dip stick.
Exhaust tips staying cleaner for a lot longer.
Car is now how it should have been 2 years ago.

What is the lastest update ?

[bigaxe]

3500 ks done
oil level has not moved
exhaust tips stay clean between washes
its hard to believe such a small fix to cure that much oil consumption, but its fixed and we are now happy with the car, nearly traded it about a year ago.

[mongo]

brief history :


purchased Fabia RS in January 2014. It was a new but superseded model built in April 2012. It has a CAV… engine.

Essential, the same engine as in the Polo GTI i.e twin charged 1.4l petrol 132KW, 250NM


first oil test - over 1.5l/1000
rebreather pipe fitted
second oil test - over 1.8//1000
squirters suggested - have not agreed to this being done.


confirmed in writing on the manufacturer’s behalf that, effectively, the substitute quarters will REDUCE the oil being applied under the pistons. This is in an attempt to get the pistons to operate at a HOTTER temperature.


This seems logical to Mongo but not necessarily a good thing. The hotter piston will expand a little more than previously thus not permitting as much oil to get past the piston (and presumably, the piston rings) into the combustion chamber. Thus , potentially reducing the oil consumption. HOWEVER, the engine was designed with the original oil squirter which has a larger oil and cooling capacity. The engine was designed to run at the temperature that the original oil squirter maintained i.e a LOWER temperature.


It is all very well to say this may reduce some of the oil consumption but has anyone seriously though to ask the question about how much alternative damage this may cause by having an original component (the piston and the rings) run at temperatures they were never designed to run at ??? This has not been explained at all.


Do we really want one thing fixed at the cost of damaging another/others things.


It is not enough to say, well, its under warranty and they will have to fix it again. However, some of this potential damage may not become evident until you are well out of warranty and you may not be able to prove that the damage arises from the pistons being made to run hotter than intended. What then ??


Have read and need to verify, that where the substitute squirters are used, the engines computer is also adjusted. However, at this stage, no one has been willing to say in what regard and to achieve what purpose. Until that has been satisfactorily explained and confirmed, one can not help but be very cautious that the computer adjustment does not result in an increase in fuel use or loss of power or change in the power band characteristics of the car in a way that you are no longer happy with.


In some cases, the earlier method of fix has involved changing the pistons and rings etc instead of the oil squirters. Now , it seems , the oil squirters have become the current way to try to fix the oil consumption. Have heard that the earlier method often involved a measurable rise in petrol consumption. This is also logical but not a good thing and maybe , not what you bought. The new pistons were presumable larger than the originals causing more friction with the cylinder walls thus stoping some of the oil but using more petrol.


In cases where engines have been burning excessive amounts of oil that they were never designed to, one should also check for damage to :

• Catalytic converter and other components of the exhaust system; and

the engine’s head and spark plugs


These are things which appear to be routinely side stepped in any discussion with the manufacturer.


Not sure about VW per se but Skoda appear to be denying that excess oil consumption is not an uncommon problem and that they do not have a “procedure” for such a problem. Yet, having spoken to several detailers service sections, they have all confirmed and been able to rattle off the exact sequential procedure that the manufacturer insists upon (when there is a case of oil consumption) as knowingly as rattling off the names of their own families ! Additionally, several of them have confirmed that they have carried out this procedure in quite a number of cases as well as the associated “repair”.


As you can tell, Mongo is not thrilled with his experience and nobody should be made to go through this. Faulty engines should just be replaced with non-faulty ones from day one or your money back.


Hope some of the information answers a number of questions asked on this thread.