These Are The 5.9 Cummins Years To Avoid (According To Owners)
The Cummins 5.9-liter diesel engine has powered Ram trucks since 1989. It went through a few changes over its lifespan, but ...
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5.9-Liter Cummins Engine History and Specs
Cummins’ venerable 5.9 ... at any time the injection pumps could fail. Failed lift pumps would inevitably starve the ...