1994 Buick Park Avenue loud ticking noise

Tiny
SOBERGYPSY1
  • MEMBER
  • 1994 BUICK PARK AVENUE
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 187,952 MILES
There is a loud ticking noise coming from my engine. It was a company car for a oil company. The noise was'nt there when I bought it. I used regular unleaded until the ticking started then I switched to mid grade and it seemed to help for awhile. Now the noise is really loud. I change the oil regularly but it does'nt help. Could it be a weak oil pump? The oil pressure fluctuates when idleing but stabilizes when driving. PLEASE HELP! It's driving me crazy!
Sunday, August 2nd, 2009 AT 9:56 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could it be a weak oil pump?

Check the oil pressure with a mechanical gauge if normal replace the oil pressure sending unit abnormal could mean a weak oil pump-also be lifters/camshaft problem.
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Monday, August 3rd, 2009 AT 4:43 AM

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