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1992 Honda Civic low oil pressure when warm

Tiny
JOSHUA1234
  • MEMBER
  • 1992 HONDA CIVIC
Noises problem
1992 Honda Civic 4 cyl Front Wheel Drive Manual 100 km miles

hi I have a 1992 honda civic 1.6l brand new engine. When it warms up the oil pressure wont go over 20psi, when its cold its at 80 psi, when I flutter the gas it sounds like a bunch of marbles. At idle it sounds fine. And at 3000rpm it sounds fine. It only does it when I flutter the gas or take of just wondering what it might be thanks
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Monday, August 25th, 2008 AT 2:24 AM

5 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the oil pressure with a mechanical gauge-if normal replace the oil pressure sending unit-abnormal-could mean engine bearings/oil pump/clogged pick-up screen/sludge etc.

When I flutter the gas it sounds like a bunch of marbles.

Could be the EGR valve not opening and causing the engine to detonate/ping-does it sound like -when you throw in a bunch of marbles in an empty can?
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Monday, August 25th, 2008 AT 3:16 AM
Tiny
JOSHUA1234
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It sounds like a connecting rod going bad I have mechanical gage its 80 psi when it warms up and 20 when its war a 3000 rpm and 0 at idle no egr on thi motor
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Monday, August 25th, 2008 AT 12:14 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Idle the engine and start removing plug wires one at time the one that lessen the noise is the trouble area
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Monday, August 25th, 2008 AT 1:50 PM
Tiny
JOSHUA1234
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The dosen t make any noise at idle the compression is right up no oveer heating just not much oil pressure when the car is warm
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Monday, August 25th, 2008 AT 3:49 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
I have mechanical gage its 80 psi when it warms up

How did you get this psi?
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Monday, August 25th, 2008 AT 4:38 PM

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