Intermittent pinging?

Tiny
HPCMOMMA
  • MEMBER
  • 2003 FORD F-150
  • 4.6L
  • V8
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
Got a oil change with the filter. Also replaced number two 02 sensor. Week later it starts knocking then turns into pinging. Now just flip a coin one day it knocks and other day it just pings and some days nothing. Now I live by the mountains and when I go shopping down from here it's not so bad but soon as I get home it starts in again. I have checked everything. I'm lost for words and haven't a clue what's going on.
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Tuesday, January 12th, 2021 AT 4:49 PM

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Tiny
KEN
  • ADMIN
It sound like the knock sensor stopped working but we should run the codes first. this guide will help with the knock sensor location in the diagrams below:

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.
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Wednesday, January 13th, 2021 AT 5:50 PM

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