Which type of fuel injection system has the fuel pressure regulator located in the fuel tank?   a. Throttle body injection b. Mechanical returnless PFI c. Electronic returnless PFI d. Central multipoint injection

Q: in most TBI systems the fuel pressure is maintained at ________ .

A: In throttle body injection system fuel pressure should be constant between 10 to 15 PSi. typically…

Q: Differentiate the two types of external combustion engine

A: There are two types of external combustion engines. (1) Steam engines (2) Stirling engines

Q: Explain the steps involved in disconnecting a fuel line on a vehicle with: Multiport fuel injection…

A: Question: The steps involved in disconnecting a fuel line on a vehicle with: Multiport fuel…

Q: 1: List the safety mechanisms that contrast medium injection devices are equipped with.   2: What…

A: 1. Safety mechanisms that contrast medium injection devices are equipped with- The function…

Q: Explain the steps involved in disconnecting a fuel line on a vehicle Multi port direct injection…

A: 1.Let the engine cool down; Most direct injection vehicles have aluminum cylinder heads and…

Q: Explain engine emission control by three-way catalytic converter system.

A:

Q: While discussing EFI systems: Technician A says that the PCM provides the proper air-fuel ratio by…

A: The PCM chooses the air-fuel proportion by admiring the look-into tables enlisted in its memory. The…

Q: During suction stroke of petrol engines, the following statement is correct. O a. Air alone enters…

A:

Q: For Diesel engine, the turbocharger will increase the pressure of

A: In order to produce mechanical power, an IC engine needs fuel and air (oxygen). The amount of fuel…

Q: What is a method of post-combustion control? EVAP Air injector EGR PCV

A: A method of post-combustion control is

Q: If the injector pulse width is increased on TBI, MFI, or SFI systems, the air-fuel ratio becomes…

A: If the injector pulse width is increased on TBI, MFI, or SFI systems, the air-fuel ratio becomes .

Q: While discussing electronic fuel injection principles: Technician A says that the PCM always adjusts…

A: By  analyzing the  discussion about        electronic fuel injection principles…

Q: Discuss briefly the fuel injection system and carburetor system for SI-internal combustion engine.

A:

Q: While discussing the compression ratios used with engines equipped with a GDI system: Technician A…

A: Given that Technician A says that higher ratios can be used because ignition timing is normally very…

Q: 4- Explain the operation of the Common-Rail fuel injection system?

A: A common rail fuel injection system is a fuel injection system in which two or more than two high…

Q: Low fuel pump pressure causes a _____ mixture and excessive pressure causes a _____ mixture.

A: Given  Low fuel pump pressure causes a _____ mixture and excessive pressure causes a _____ mixture.

Q: Technician A says there is less heat energy in high octane gasoline and, therefore less power is…

A: Technician A says there is less heat energy in high octane gasoline and, therefore less power…

Q: Unit pump injection system is an integrated fuel injection system, combining a fuel injector and a…

A: We know that the unit pump injection system is a high pressure integrated direct fuel injection…

Q: When the engine is Idling, the pressure regulator in PFI system provides _____________ fuel pressure…

A: Sadi Carnot initially proposed the concept of an ideal heat engine in 1824. He conceived a…

Q: Explain working method of rotary distributor injection pump of diesel engines.

A: For use on cars and light trucks, the rotary pump or distributor pump was developed. It uses a…

Q: cpi (Central Multiport injection) injectors are located in the lower half of the intake manifold. T…

A: CPI (Central Multiport Injection) injectors are located in the lower half of the intake manifold.

Q: technician A says lean ratio of 15:1 to 16:1 provide the best fuel economy. technician B says rich…

A: Air/Fuel ratio: The air/fuel ratio is defined as the ratio of the amount of air to the amount of…

Q: How fuel pressure regulator (outside of fuel tank) works in ECU controlled SI engine?

A: When pressure (boost) is applied to the top of the regulator, the diaphragm, which is attached…

Q: explain why non- return/ return less fuel system are used on later model vehcile?

A: The return less fuel systems have only one fuel line between the engine and the fuel tank. It does…

Q: While discussing returnless fuel systems: Technician A says that in a returnless fuel system the…

A: Solution: Returnless Fuel System:

Q: Technician A says that only offshore engines are permitted to use port-helix metering fuel systems…

A: Technician A: "Only offshore engines are permitted to use port-helix metering fuel systems on EPA…