2006 Cadillac Cts Does Engine Ping

2006 CADILLAC CTS
37,000 MILES
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ANONYMOUS
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Why does the engine ping?
Jan 27, 2013 at 3:36 PM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 POSTS
Incorrect ignition timing, if DFI ignition may be a bad knock sensor, contaminated fuel, excessive carbon in engine, these are the most common causes.
Jan 27, 2013 at 4:22 PM
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