GMC, diagnostics of the hpfp of the diesel engine in Zevulun

GMC, diagnostics of the hpfp of the diesel engine in Zevulun.
Diagnostics of the HPFP of the diesel engine is carried out in the following cases: an increase in diesel fuel consumption, increased smoke formation, failure to supply fuel to the injector, slow response to pressing the gas pedal, a fuel leak, and unusual noises. During the diagnostics, the following parameters are checked: performance indicators of high-pressure fuel pumps, stability of working pressure, uniform fuel supply of pumps, functionality of injectors.