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

1993 TOYOTA COROLLA
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ANGIEEE
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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
Apr 4, 2012 at 10:10 PM
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RASMATAZ
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Your problem here could be valves/rings to actually find out, get a cylinder leakage test-
Apr 4, 2012 at 10:18 PM
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ANGIEEE
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cylinder leakage test revealed there is 85psi in cyl 4
Apr 4, 2012 at 10:51 PM
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WRENCHTECH
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That is not a "leakdown" test. that was a compression test. A leakdown test will give you a better idea where the pressure went.
Apr 5, 2012 at 12:03 AM