Q Motor Oil 5•30, 10•40, and 10•30
The test results on samples of the Q Motor Oil® brand indicate the products are NOT suitable for use in virtually all automobile engines currently on the road. Use of the products in automobile engines will likely cause harm to the engine. Similarly, although the back label on the products state “Suitable for Moderate Diesel Engines,” use of these products in diesel engines will likely cause harm to the engine.
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