1991 Cadillac Brougham knocking type noise in engine

Tiny
MRFLATWOODS
  • MEMBER
  • 1991 CADILLAC BROUGHAM
  • V8
  • 2WD
  • AUTOMATIC
  • 68,000 MILES
Yes, my mother has a cadillac broughham that sat at her brothers and was started but not driven sometimes for 3 years.I went to get the car at his house and I drove it back to my mothers which was a total of 160 miles, and had no problems with it, rode like a dream. But 2 days later went to start it and there was the sound.I changed the oil and added the valve and lifter oil stuff to in hopes that was the problem but it was not. Could you please give me some suggestions as to what could be wrong. Ty
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Saturday, January 19th, 2008 AT 4:37 PM

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Tiny
BUZZSAW
  • MEMBER
It could be a peice of carbon that was knocked loose, try some top engine cleaner. See if it helps
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Tuesday, January 22nd, 2008 AT 8:24 AM

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