INSTALLED NEW OIL PUMP AND DASH LIGHT SAY CHECK ...

  • Tiny
  • RobSie99
  • 1999 GMC Sierra
  • 147,000 miles

Installed New Oil Pump and dash light say "Check Engine Oil Pressure". Then installed oil pressure sending unit and the problem continue with the light. There is a small knock in the engine and do not want to continuing starting engine. Can you help.

Thursday, November 1st, 2012 AT 12:11 AM

1 Answer

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,502 posts

Most likely a bad bearing, either main or rod from bad pressure.

Have the pressure checked manually to verify.

Roy

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Thursday, November 1st, 2012 AT 12:39 AM

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