Hey everyone I'm hearing knocking in my engine i have looked around other threads and some people are experiencing this. Its not a loud knock but when my car accelerates you can hear it or when the car is at a constant speed. I was wondering if someone can give me feed back on if using fuel additives such as Chevron Techron or Seafoam is safe? Car is on 30,000+ miles.

Best,
Ernest

 

Are you using the right Octane gasoline? Take it to the dealer if so, I believe there is a TSB for the issue.

 

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