HOW DO YOU READ A COMPRESSION TEST

2001 Plymouth Neon

Tiny

Anonymous

January, 30, 2013 AT 5:44 PM

How do you read a compression test. And what is a normal reading in this vehicle? I am trying to replace another engine. The engine I am interested in has a cylinder compression of 150/180, 170/180 something to that effect. Good, Bad?

Thanks, Johnnie

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Compression Test

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Tiny

caradiodoc

January, 30, 2013 AT 9:48 PM

Those readings are okay. 150 is about normal. Mostly you want all four cylinders to be about the same. Why are you replacing the engine?

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