Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Zero quality control

Thought I would take a chance on this item because it had mixed reviews. I came to the conclusion that they send the gas caps out without testing them and let the customer do the testing. Some work and some dont. If you take a chance and it does work, then it may not work for long, because the gas cap is not good quality. Dont bother with this brand--its not worth the time wasted.