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,

25

Asked by Sep 08, 2013 at 07:07 PM about the 1999 Ford F-150 SVT Lightning 2 Dr Supercharged Standard Cab Stepside SB

Question type: Maintenance & Repair

5 Answers

97,065

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.

112,255

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.

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Best Answer
25

Thank-you, I think I will try the colder plugs. thanks again for all your help Jerry

25

The article on cleaning your MAF is great

2 of 2 people found this helpful.
112,255

Glad we could help.

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