Question

How do I do a compression test on my 2014 5.7 Hemi Dodge Ram

Answer 1

Doing a compression test, you would have to determine if the engine you have is a Multi - air equipt and the ignition has to be in the on position or the intake valve will not actuate. You would have to diasable the fuel pump  install a compression test gauge and crank the engine with the starter motor for three revolution.

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