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Discussion Starter · #1 ·
Under light acceleration I sometimes hear my Escape ping.This started about 3 weeks ago..during the heat wave up here.I don't know if it's done it before and I never heard it.I put in some higher octane gas and that seemed like it did the trick.Any ideas why would it start pinging like that?
 

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Discussion Starter · #3 ·
My mechanic said sometimes the on board computer systems fail to adjust the spark and timing or they are not quick enough that is why I get ping some days and some days I don't.He wants me to fill up with a higher grade gas every other fill up.I will try to do that and see what it does.
 
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