1999 Pontiac Grand Prix oil pump

1999 PONTIAC GRAND PRIX
168,000 MILES • 6 CYL • FWD • AUTOMATIC
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JUNKFIXER
  • MEMBER
  • 1 POST
at idle the oil lite flickers and when revved lite goes out and engine knocks(no load) when driving no lite no knocks. the oil pump was changed out with a good junk yard part 2 weeks ago. wat do i do?
Jun 30, 2010 at 8:43 AM
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BLUELIGHTNIN6
  • ✓Experienced Mechanic
  • 16,542 POSTS
if oil pressure is low at idle but the oil pump is good then check for collapsed oil pick up tube. if its ok then there may be a clog/ build up in the engine block that needs flushed out.
Jun 30, 2010 at 9:05 AM
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