Compression Ignition Addict
Join Date: Oct 2011
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A buzz test is different but usually along with a contribution test.
If it can run a buzz test i think it can also do the contr. test
The buzz test just sends a signal to each injector to pulse and you have to listen to the sound or lack of.
The contr test, through the pcm, cuts one cyl at a time and calculates how much ot is contributing to the engine. This tests the overall condition of each cyl like rings, valves, injector, cam lobes, head gaskets.
Both are just a start but can highlight an area that you may want to concetrate on.
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