p0171 p0174 fuel injection system function

... handling electronic components • Isolate or disable high-voltage systems before testing or servicing the fuel system Trang 4Basic EFI System Checks• FI problems usually result in no-start or poor ... with chemicals Trang 18Fuel System Checks• Check fuel delivery – Low pressure can cause a lean condition or start no-– High pressure can cause a rich condition • Check fuel pressure and how long ... MIL first • No MIL or no DTC does not mean the system is operating normally • Fuel trim should be observed regardless of if a DTC is set Trang 6Fuel Trim (cont’d)• STFT adjustments are temporary

Ngày tải lên: 01/02/2021, 07:40

... recently developed a 1 kW SOFC system comprising a natural gas reformer, a fuel stack, an after-burner, a fuel heat exchanger and Trang 2an air heat exchanger [4] Within this system, the two-stage porous ... plants [1, 2, 3] Many experimental SOFC power generation systems have been developed in order to explore the effects of different fuels, fuel rates and operating temperatures on the operational ... highly-efficient, environmental-friendly power generation systems Solid oxide fuel cells (SOFCs), which produce electrical energy by oxidizing a suitable fuel such as hydrogen or methane, represent a feasible

Ngày tải lên: 05/09/2013, 15:28

... a SOFC system contains a small amount of unreacted fuel since the stack does not have a 100% fuel conversion efficiency Chung et al [4, 5] showed that the overall efficiency of a SOFC system ... afterburner, a fuel heat exchanger and an air heat exchanger As with any SOFC system, the performance of the INER SOFC system is dependent not only on the design and operating conditions of the fuel cell ... present major challenges [1-3] In an SOFC system, the fuel oxidization reaction produces two by-products, namely water and heat In combined heat and power (CHP) systems, the heat energy is captured

Ngày tải lên: 05/09/2013, 16:10

... 9.52  106 cal/m3, respectively The fuel injection rate can be translated into watts For example, a 1.15 kg/hr injection rate of kerosene is 13.3 kW and a 20 lpm injection rate of methane is also ... 9.52  106 cal/m3, respectively The fuel injection rate can be translated into watts For example, a 1.15 kg/hr injection rate of kerosene is 13.3 kW and a 20 lpm injection rate of methane is also ... chemical warfare agent, and kerosene and methane were used as the hydrocarbon fuels A liquid fuel is better than a gaseous fuel when pertaining to the instance of compactness and mobility A suction

Ngày tải lên: 21/06/2014, 01:20

... for Fuel Injection System 9 and will increase the life span of the current fuel injection system (single and common system) available in the exiting engines, which is running under emulsified fuel ... interval of time, how much fuel the engine consumes is measured, with the help of the stopwatch Regarding the fuel injection system, MICO plunger pump type fuel injection system is used in this experiment ... pressure-accumulation system, where the fuel pumping process is functionally separated and does not affect an injection rate Thus, the accumulation systems provide a flexible rate of injection at the

Ngày tải lên: 26/06/2014, 23:20

... temperatures. Fuel system The fuel tank has a low-pressure priming pump that delivers fuel to the external high-pressure fuel pump The system includes a fuel damper and fuel filter. A fuel-pressure ... 13.7 Block diagram of a fuel system for multipoint EFI (return-to-tank system) figure 13.8 Block diagram of a returnless fuel system for multipoint EFI fuel pump fuel filter fuel tank assembly pressure ... return-to-tank system are: 1 Fuel tank In this system the fuel tank also houses the fuel pump, fuel filter, and pressure regulator assembly There is no return line from the fuel rail. 2 Fuel pump

Ngày tải lên: 16/02/2017, 10:40

... Circuit Low P1378 Fuel Injection Control Module System Voltage Low P1379 Fuel Injection Control Module System Voltage High P0148 Fuel Delivery Error P2552 FICMM Circuit - Throttle/Fuel Inhibit Circuit ... BASIC OPERATIONA drawing of the FICM (Fuel Injection Control Module) subsystem is shown in Figure 1 The FICM drives the fuel injector solenoids based on fuel and timing commands (via *CAN2 link) ... intensifier piston thus stopping the delivery of fuel The net time between pulses is equivalent to the fuel pulse width (FuelPW) used to provide fueling The coil on time is currently calibrated

Ngày tải lên: 20/09/2017, 22:57

... to idle SVX Fuel Delivery System The fuel pump system located inside the fuel tank is similar to the Legacy It receives its basicpower supply from the fuel pump relay Fuel Delivery System An electronic ... volume control system has been addedwhich reduces fuel evaporation by creating less fuelagitation through the fuel system during low fueldemand driving conditions The electronic fuel pump “modulator ... more fuel to return to the tank, reducing the fuel pressure at the injectors A check valve in the regulatormaintains pressure in the fuel system after theengine is turned off CAUTION: THE FUEL SYSTEM

Ngày tải lên: 21/09/2017, 01:58

... [M6031 FUEL INJECTION SYSTEM3 FUEL INJECTION CONTROL ECU receives signals emitted from various sensors to control the amount of fuel injected and the fuel injection timing Sequential fuel injection ... Trang 22-7 [M1ool FUEL INJECTION SYSTEMM MECHANISM AND FUNCTION 1 General The Multi Point Fuel Injection (MPFI) system is a system that supplies the optimum air-fuel mixture to the engine ... (M3001 FUEL INJECTION SYSTEM3 Fuel Line level by the pressure regulator on the way to the injectors 1 GENERAL From the injectors, fuel is injected into the intake Fuel pressurized by the fuel

Ngày tải lên: 21/09/2017, 05:58

... Trang 1TÀI LIỆU HUẤN LUYỆNMPI / M-Step III Multi Point Fuel Injection HỆ THỐNG PHUN XĂNG ĐA ĐIỂM Vinastar, 05/ 2012 Trang 41 Tổng quan về hệ thống MPI Bao ... làm tạo ra mụi than trong cylinder. Trang 35B Hoạt động của các bộ phận trên xe.1 Bơm nhiên liệu (Fuel pump) Mô tơ một chiều quay dẫn động cánh gạt sẽ tạo ra sự khác biệt về áp suất giữa phíatrước ... (van kiểm tra) Tránh sự giảm áp khi động cơ ngừng hoạt động Trang 36II Hệ thống phun nhiên liệu 2 Fuel presure regulator (Vavle điều áp) a Cấu tạo Nhiên liệu từ ống phân phối đi vào buồng nhiên

Ngày tải lên: 18/10/2017, 21:17

... into the fuel cell system than is actually consumed, which establishes the relationship known as fuel cell stoichiometry, represented as λfuel = fuel feed / fuel consumed = H2 feed.The fuel efficiency ... etc.A fuel cell system (FCS) consists of essential components such as the fuel cell stack, air processing system—including a compressor and humidifier—fuel gas supply, and thermal management system ... and electrical devices The system utilizes hydrogen from a tank and ambient air as its primary fuel sources.The primary inputs for a fuel cell system (FCS) include fuel such as hydrogen, air,

Ngày tải lên: 01/10/2019, 09:47

... Fundamentals 8 Engine management 16 System overview 16 Engine control unit 18 Intake system 21 Fuel system 31 Ignition system 40 Exhaust system 41 Function diagram 54 Self-diagnosis ... Air/fuel ratio (lambda λ) 0200040006000800010000 Mileage in km NOx storage capacity % 0 20 40 60 80 100 Trang 6Throttle valveAdvantages of the direct petrol injection system This system offers fuel ... these modes In this system, nitrogen oxides are stored temporarily and systematically converted to nitrogen What are Volkswagen's future plans regarding the direct petrol injection system? Another

Ngày tải lên: 24/12/2019, 09:24

... axial-piston distributor fuel-Injection pumps VE injection systems Fuel-Assignments The fuel-injection system is responsible for supplying the diesel engine with fuel To do so, the injection pump generates ... axial-piston distributor fuel-injection pumps VE Fuel-injection systems 8 Fuel-injection techniques 9 Fuel supply and delivery 12 Mechanical engine-speed control (governing) 22 Injection timing ... required for fuel injection The fuel under pressure is forced through the high-pressure fuel-injection tubing to the injection nozzle which then injects it into the combustion chamber The fuel-injection

Ngày tải lên: 15/05/2020, 23:49

... delivery system, fuel heated by the engine returns to the fuel tank and has warmer fuel creating more fuel vapors Fuel Pump The fuel pump is mounted in the tank and immersed in fuel The fuel cools ... FUEL SYSTEMS #1 - OVERVIEW Return Fuel Delivery System When the fuel pump is activated by the ECM, pressurized fuel flows out of the tan, through the fuel filter to the fuel rail and ... Reserved FUEL SYSTEMS #1 - OVERVIEW The returnless fuel delivery system was adopted because it lowers evaporative emissions since no heated fuel is returned to the fuel tank On the return fuel delivery...

Ngày tải lên: 28/05/2014, 14:24

... correct functioning of the injection system as a whole COMMON RAIL FUEL INJECTION SYSTEM DESIGN PRE SUPPLY PUMP Transports fuel from the fuel tank to the high pressure pump An electric fuel pump ... time • In contrast to other injection system Common rail fuel injection system is an accumulator injection system How does a CR system function? Su b fu n c tio n s o f a CR F I s y s tem C O ... Rail-pressure sensor Injectors ECU with sensors COMMON RAIL FUEL INJECTION SYSTEM COMMON RAIL FUEL INJECTION SYSTEM SUMMAR 1.The basic functional groups of the common rail are : low – pressure...

Ngày tải lên: 20/06/2014, 17:41

... R TEC_FUNC Read Predefined Parameter System Function Calls Number Name Family Description SFC SET_CLK CLK_FUNC Set System Clock SFC READ_CLK CLK_FUNC Read System Clock SFC SET_RTM SFC CTRL_RTM ... topology in a DP master system SFC 104 CIR PGM_CNTL Controlling CiR SFC 105 READ_SI PMC_FUNC Reading Dynamic System Resources SFC 106 DEL_SI PMC_FUNC Deleting Dynamic System Resources SFC 107 ... Display SFB 37 AR_SEN COM_FUNC Send Archive Data D SFB 38 HSC_A_ B COUNTERS Counter A/B (integrated function) (only exist on the CPU 314 IFM) SFB 39 POS ICONT SFB 41 CONT_C ICONT Continuous Control...

Ngày tải lên: 18/12/2013, 08:29

... direct injection engines is theirs cost Direct injection systems are more expensive because their components must be well-made In these engines, the high cost high-pressure fuel injection system ... developed a piezo injection system for gasoline engines to automakers The aim is to improve the performance of the direct injection systems The Piezo injection with spray guided combustion system is ... gap just a few microns wide The peak fuel pressure in this system is up to 200 bar - around 50 times the fuel pressure in a conventional petrol injection system (Website 4, 2010) The firms such...

Ngày tải lên: 20/06/2014, 11:20

... fluorescence of a biphasic system, and therefore measure simultaneously each ones concentration (Juliá, 2003) Although this 36 Fuel Injection technique has much application in injection- combustion ... ρB Piny C d n a (39) G H LL max µ dE ρF Piny Cd n a (40) 5.4 Determination of the fuel injection onset The fuel injection onset can be determined assuming that LL increases proportionally to the ... Fluctuation of Fuel Vapor Concentration in a Spark Ignition Engine" SAE Technical Paper 912346 48 Fuel Injection Zhao F Q., Taketomi M., Nishida K y Hiroyasu (1993) “Quantitative Imaging of the Fuel Concentration...

Ngày tải lên: 20/06/2014, 11:20

... speed of injection pump camshaft Static opening pressure of injector Background pressure Maximum fuel injection pressure Average fuel injection pressure Kinematic viscosity of fuel Diesel Fuel Rape ... Liquid fuel in cylinder of injector nozzle holes Fig Liquid fuel in cylinder of injector nozzle holes 90 Fuel Injection Fig Fig 11 Liquid fuel in cylinder of injector nozzle holes Liquid fuel in ... determining fuel distribution in a spray of drops (top view) s 78 Fuel Injection The height of fuel in the measuring vessels was adopted (denoted by Hp) as a comparative measure to ascertain the fuel...

Ngày tải lên: 20/06/2014, 11:20