November 2, 2005Hey community,
I need some help with my 99 GMC Yukon! I am getting a strong ping when I am going up a hill or when I floor the truck. I was told to use higher octain gas to help with the ping. I was also told to use an octane booster from my local auto part store.
Now, I have 160K miles and I say the ping started about 6 months ago. I am not to good when it comes to fixing cars but I would like to know what I can do to fix it, I need to start working on my own car now.
I have been reading some of the posts and you guys sound like people that can help me.