If the problem is already severe enough ... The check engine light may appear if your fuel injectors are bad because the fuel ...

A first-gen 5.9 Cummins will set you back a pretty penny today, but the engines weren't perfect, with a number of serious ...

Unfortunately, the problems don't end there ... symptoms such as contaminated fuel, clogged fuel filter, bad supply or lift pump, failing injectors, and so on. Specifically, a diesel engine ...