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Misleading Engine Oil Marketing Claims

The VLS has received four complaints regarding the claims made about passenger car engine oils. It has opened new investigations to look into these cases, which brings the total number of investigations to 79.

Case 176 concerns a 0W-30 engine for cars. The complainant states that the product's ability to meet certain performance limits could be misleading to the end consumer.


Case number 177 concerns the use of a 5W-30 engine oil, which is not able to meet the claims made against certain types of cars, such as those used by ACEA C2. According to the complainant, the product would be misleading to end consumers due to its failure to meet these specifications.


Case 178 revolves around the product's claims about its performance and compatibility with certain types of cars. It also involves the product's failure to meet the viscosity ratings of the car's OEM.


Case number 179 concerns a 5W-30 engine oil's compatibility with certain types of cars and its claims about its performance. It is one of the cases being investigated by the Technical Review Panel.


The wrong oil can lead to accelerated wear to critical components of an engine, reduced emissions control device effectiveness, and customer complaints. Mechanics must be able to confirm that the oil they choose for their customers is genuinely fit for purpose. Even though end users may still have confidence in the claims made about certain lubricant products, these can be misleading or even confusing.


Over the past five years, the VLS has been investigating various cases where performance claims have been made relative to the market standards of various companies. These include conflicting or unevidenced specifications from the original equipment manufacturer (OEM) or the ACEA specifications.


Many products claim that they meet certain standards or are suitable for use in certain vehicles. However, these claims can be either untrue or misleading.


Always be sure to know your oil is up to the spec being quoted. Misleading spec claims can cost thousands of pounds worth of engine damage.



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