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how to perform a compression test for a 1980 toyota truck with a 20r engine

Submitted by jasonvaden on Sat, 11/07/2009 - 10:58
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Submitted by jerryh20 on Sat, 11/07/2009 - 11:46.
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take the spark plugs out one at a time and insert the tester in the plug hole. do that for all 4 and write down the reading as you go. make sure you disconnect the coil so it won't start.

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Submitted by mws919 on Sat, 11/07/2009 - 14:36.
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what kind of problem are you having?

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