pinging sound

2009 DODGE CHALLENGER
55,000 MILES
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KEN KUCIA
  • MEMBER
  • 2 POSTS
pinging noise only when accelerating. noise is not noticed during start up or idle. noise only when accelerating. oil is changed every 5000 miles with synthetic oil. there is no loss of power or hesitation with the engine. once engine gets to desired speed pinging noise fades away.
May 3, 2013 at 5:34 PM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
you need to use a higher octane fuel to get rid of the ping noise

Roy
May 4, 2013 at 7:06 AM
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KEN KUCIA
  • MEMBER
  • 2 POSTS
Have always used 91 octane or higher. I did move from florida lower elevation to phoenix higher elevation. did not drive car here i towed it so i thought maybe it was an adjustment to the valves that may need to be done. any thoughts.
May 4, 2013 at 10:21 AM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
i understand but octane is the primary reason for this. no valve adjustment will cause pinging.

Roy
May 4, 2013 at 10:35 AM
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