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1993 Toyota Corolla Repair Question


Topics covered: Compression, Compression test, Valves.
Mileage: No information provided.

Asked on April 4, 2012

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

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
Avatar Asked by Angieee

Answer

Replied on April 4, 2012

Your problem here could be valves/rings to actually find out, get a cylinder leakage test-

Tiny Answered by rasmataz
68 questions asked
Replied on April 4, 2012

cylinder leakage test revealed there is 85psi in cyl 4

Tiny Response from Angieee
22 questions asked
Replied on April 5, 2012

That is not a "leakdown" test. that was a compression test. A leakdown test will give you a better idea where the pressure went.

Tiny Answered by Wrenchtech (expert)
14,750 answers provided