Exam 28: Electronic Unit Pump Eup Systems

How many electronic unit pumps (EUPs) are required to fuel an in-line, 6 cylinder engine?

Which company manufactures EUP-fueled engines that are MY 2010-2013 EPA compliant?

Which of the following represents a significant DIFFERENCE between an electronic unit pump (EUP) when compared to a typical electronic unit injector (EUI) system?

After replacing an EUP in a fueled engine, which of the following should be performed to ensure balanced fueling?

What controls the length of plunger effective stroke in a EUP system?

Technician A says that EHI opening is soft. Technician B says that EHI opening pressure is controlled by the ECM. Who is correct?

What is the peak system pressure achieved by pre-2007 E-Tech, EUP fuel systems?

What type of fuel transfer pump is used on a Mack Trucks (up to 2017) and Paccar MX EUP MY 2010-2013 fuel systems?

What term is often used to describe an electrohydraulic injector (EHI) when it is used in an EUP fuel system?

Technician A says that all of the high pressure lines used in a Mack E-Tech EUP fuel system use identical pipes with common part numbers. Technician B says that the high pressure pipes used with pre-2007 EUP fuel systems connect directly to the inlet ports on hydraulic injectors. Who is correct?

When attempting to prime a Mack Trucks E7 EUP fuel subsystem, which of the following fittings should be cracked before actuating the hand primer pump?

What is the term used to describe the electronic connection between the Mack Trucks, MB and Paccar chassis modules and the engine ECM modules?

What is another way of describing a SMART injector?

What acronym does Mercedes Benz use for the engine controller module used on pre-2007 versions of MB-900 and MB-4000 engines?

What must be used to program new EUP calibration codes to a Paccar MX MY 2010-2013 engine ECMs?

What are the main advantages of using EHIs in place of hydraulic multi-orifice injectors in an EUP fuel system?

What should be used to remove an EUP unit from an engine cylinder block?

Technician A says that post-2007 EUP fueled engines use EHIs with multipulse injection capability. Technician B says that the EHI NOP depends on a specific EUP hydraulic pressure. Who is correct?

Which of the following fuel sub-system components is NOT under suction in a V-MAC III EUP fuel system?

Which of the following is the key technical difference between EUP fueled engines manufactured before 2007 and those manufactured after that date?