Compression Test Results - How to interpret?
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Member
Joined: Apr 2007
Posts: 48
From: Bay Area, California
Compression Test Results - How to interpret?
When doing my coils and plugs (separate thread), I had the mechanic check compression. Results were (from 1 - 4):
180 psi
175 psi
170 psi
175 psi
How would you interpret these results? Is a 10 psi difference pretty even across all 4 cylinders?
My Fit runs well (now) and doesn't burn any oil between changes.
180 psi
175 psi
170 psi
175 psi
How would you interpret these results? Is a 10 psi difference pretty even across all 4 cylinders?
My Fit runs well (now) and doesn't burn any oil between changes.
Member
Joined: Jan 2021
Posts: 297
From: EU
Seems good!
From the service manual: Engine Compression Inspection
Compression Pressure: Above 980 kpa (10.0 kgf/cm2, 142 psi)-250 rpm
Maximum variation: Within 200 kPa (2.0 kgf/cm2, 28 psi)
From the service manual: Engine Compression Inspection
Compression Pressure: Above 980 kpa (10.0 kgf/cm2, 142 psi)-250 rpm
Maximum variation: Within 200 kPa (2.0 kgf/cm2, 28 psi)
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