Diesel engines operate at higher compression ratios than gasoline engines, and fuel is injected under much higher pressure. An injection pump, usually driven by a belt or chain linked to the ...

clogged fuel filter, bad supply or lift pump, failing injectors, and so on. Specifically, a diesel engine with a bad CP4 pump could misfire, be hard to start, exhibit hesitation upon acceleration ...

Diesel fuel injectors are responsible for spraying precise ... engine in that it takes a long time to crank, or you have to ...

General Motors settled a fuel pump lawsuit for $35 million, so some GMC and Chevy truck owners could get paid.