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Have a Toyota 93 1.8 manual, tests done and found cylinder 4 pressure low, what does this mean?

Tiny
ANGIEEE
  • MEMBER
  • 1993 TOYOTA COROLLA
Cyl 1 -150psi
cyl 2 -150psi
cyl 3 -150psi
cyl 4 - 85psi
what does this mean and is this is what makes the car idle rough. What can I do about it and how long will my car last? Is there a short fix? Cheers
Wednesday, April 4th, 2012 AT 10:10 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Your problem here could be valves/rings to actually find out, get a cylinder leakage test-
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Wednesday, April 4th, 2012 AT 10:18 PM
Tiny
ANGIEEE
  • MEMBER
  • 37 POSTS
Cylinder leakage test revealed there is 85psi in cyl 4
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Wednesday, April 4th, 2012 AT 10:51 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
That is not a "leakdown" test. That was a compression test. A leakdown test will give you a better idea where the pressure went.
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Thursday, April 5th, 2012 AT 12:03 AM

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