I have a 1999 Ford F150 Lightning with 180K miles. I've been hearing a pinging sound when I'm going up hill. What can I do to stop it?thanks,
Check your EGR valve, make sure the feed tube is open and the valve is operating properly, might also try running a few cans of techron in the fuel. If that doesn't do the trick then try a higher octane fuel or add some 104 fuel booster to it.
http://www.fordf150.net/forums/viewtopic.php?f=1&t=49303 ---- seems a lot of owners of that model are having similar issues. Check this thread out. Might have some useful info.
Thank-you, I think I will try the colder plugs. thanks again for all your help Jerry
The article on cleaning your MAF is great
Glad we could help.
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