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compression test: what dose this mean?
i just did a compression test all cyl 170 psi but the thing is after i stoped cranking the engine the gauge fell. dose this mean anything? or is it my guage that is doing this?
4 Answers
- Anonymous1 decade agoFavorite Answer
it's the gauge, 170 on all cylinders is good
- goldwing127959Lv 61 decade ago
Faulty gage.
Most compression gages have a release valve on them and it sounds like yours is stuck open.
170 is verry good compression for a car.
why the test???
Source(s): Dons Auto Service - Anonymous1 decade ago
the engine is fine.the guage should hold the pressure. the valve in the guage is probally stuck or broken
- Anonymous1 decade ago
its the gauge.