• Tiny
  • hondaman
  • 1991 Honda Civic

I have a 91 civic with a 1.5 enigne with 257K on it. My problem is this. About a year ago I had problem with the oil light staying on after the engine was started but would go out in about 3-4 seconds. So I installed an oil guage after which I noted that the oil pressure was 70-75 psi when the car was started and settled out around 60 psi when warm, then the pressure would slowly drop off to about 20 psi. I replace the oil pump relief valve and spring from honda. Problem when away till a few days ago. Now the oil pressure is good when I first start the car but when you drive the pressure drops to 10-15 psi. The pressure slowly drops now when you rev the engine. I am really looking at getting a second opinion since it is a big job. Any advice would be helpful.

Monday, February 19th, 2007 AT 7:52 AM

1 Answer

  • Tiny
  • rasmataz
  • Member

You should have changed the pump-could be a clogged oil galleries or the bearings on the Cam/Rod/Main or the journals. Open it up and check the bearing clearance with the plastigage.

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Monday, February 19th, 2007 AT 12:55 PM

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