Pinging Quick Fix?
If I am getting what I think is serious engine ping (running 91 octane, 10*), and a bottle of "ping-buster" or whatever the brand may be - helps the problem, what is my long term fix? What are some other causes of ping? I just had the $50 fuel system cleaner done,(3 bottle jiffy lube deal), and cleaned out the IAC. I plan on scrubbing out the EGR today.
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