Computer Engine Tuning
My truck, a ford F-150 pings at low RPM. I have taken it to the dealer twice, and it still does it. It is the V-8 5.0 -2018. If there anyone in the area that can look at it with a computer, adjust the timing so it stops pinging. I have tried all the usual remedies, sea foam, techtron, 93 octane gas, etc. without success.
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