1990 Other Oldsmobile Models loud knocking

1990 OLDSMOBILE
189,000 MILES • 4 CYL • 2WD • AUTOMATIC
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YGTETO
  • MEMBER
  • 1 POST
makes loud knocking only when idles when pushing the gas pedal cant hear it
Jun 13, 2008 at 6:41 PM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 POSTS
Hi there,

I would be getting the engine oil pressure tested with a master gauge, this will give you a true indication as to what the oil pump, relief valve & bearings condition is like.

mark (mhpautos)
Jun 13, 2008 at 8:35 PM
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