Electronic fuel injection system electronic control unit instruction. Please install controller in the place which avoided raindrops, splash, etc. We often receive inquiries from customers asking which aftermarket electronic fuel injection system is the best one. These service manuals provide general information, adjustment, specifications, tolerances, torques, troubleshooting, fuel. The sensors and actuators section is divided into the following areas. Pdf sensors system,advanced fuel injection system,computer. Control algorithms specifically designed for two strokes engines. List of sensors that are used on efi engines it still runs. Electronic fuel injection, maf and map sensors efi. However this harness will work with all exhaust systems. Efi stands for electronic fuel injection the electronic fuel injection system fitted to most modern vehicles combines sophisticated computer controls with a.
Be sure to relieve the fuel pressure while the engine is off. Efi engine managment manual pg engineered control solutions. Other engine sensors used in efi systems include a coolant temperature. The ecu receives signals from various sensors indicating changing engine operation conditions. Electronic fuel injection efi is the most common example of automotive.
There are numerous benefits in replacing carburetors with electronic fuel injection efi for fuel delivery on uav engines. In addition to a map sensor, mefi systems typically include sensors for throttle position. Notice all of the chips,resistors,and capacitors that are used in this computer. Efi source supplies goldbox, megasquirt, microsquirt, ls, hemi, harness, and other programmable efi systems and products o the performance minded automotive community. On diesel engines, fuel injection is a necessity, whilst on petrol engines fuel injection. View online or download mercury 150 efi service manual. And the engine ecu calculates at the optimum fuel injection volume, and causes the injectors to inject the fuel.
Roush throttle body electronic fuel injection installation. Home shop bespoke throttle body kits about short circuit gearing contact. Make sure to use proper gaskets to seal the throttle body to the intake. Fi is a fuel injection system for small displacement motorcycle, and this system is. If you have any questions about this system or instruction manual, please contuct us. Pdf automobile engineering report on electronic fuel. Install the injector to delivery pipe and cylinder head as. The various sensors and actuators that are used in automotive. However, the achievement of these benefits necessitates a comprehensive integration and calibration for each engine installation.
These systems often have anything in excess of thirty different engine and emission sensors all. There is also a new data type when recording on bikes with o2 sensors. Here, map sensor fails to after the development of semiconductor and silicon circuits. User manual for efi fuel systems pg engineered control. If you have an ezefi system that was purchased in 2010 or earlier, you may not have the most current base tune.
Pdf advanced engine performance diagnosis, fuel injection system,computer control system, sensors system find, read and. Edelbrock is the most respected name in performance. Turn the ac on, and drive in d for automatic, or in case of manual transmis. Electronic fuel injection efi, the most widely used fuel system today, utilizes a computer to inject fuel into the engine. Please visit for all of ms3pro plug and play firmware. Electronic fuel injection uses various engine sensors and control. The specifications and pictures in this manual are only for reference. It features a file folder window to facilitate easy loading and viewing of your files and their associated function groups. The vane type air flow meter on an efi equipped vehicle. Ford efi systems were not intended for use with long tube headers. Arctic cat powder special 500 efi le 2000 pdf service. One of the more commonly misunderstood aspects of electronic fuel injection efi is how to select the correct size fuel injectors, fuel pump and mass air flow maf sensor for a particular engine horsepower output. This chapter describes several specific sensors used in automobiles, such as potentiometers, thermistors and phototransistor led combinations.
The repair manual download will show you every nut and bolt on your machine and will direct you on every mechanical procedure imaginable. The benefits of electronic fuel injection efi power4flight. This screamin eagle efi tuner system is intended for highperformance. The oxygen sensors will be less accurate due to dissipated exhaust heat further down stream from the cylinder head. Electronic fuel injection a computer controlled engine management system uses fuel injectors controlled by the computer no carburetor the computer uses sensors to gather information from the engine, then calculates the required fuel needed. Any rtv silicone sealants used on the engine are sensor safe any 4150 flange intake manifold will work. Roush throttle body electronic fuel injection installation and owners manual engine pictured may include optional and nonroush equipment applications 331 srxe, 427 srxe and 588 sre before installing your roush performance engine, read through the entire installation procedure and check to make sure all items are present. Gasoline engine efi electronic fuel injection fuel system. Sensors used in efi electronic fuel injection ppt video online. Holley products for gms popular ls engine are dominating the ls scene as well. Computers and sensors operation,diagnosis, and service. The efi system uses various sensors to detect the engine condition and vehicle running condition. This chapter also addresses actuators that complete the control process by carrying out the computers instructions. This computer checks for changes in sensor inputs after each millisecond and is designed to change the pulse if anything changes.
Rather than steering our customers toward a particular system, we prefer to enable them to make an informed decision when selecting an aftermarket efi system. Listed below are kohler engine service repair manual in adobe pdf format that you can download for free. Page 2 zs250gy3 efimotocycle service manual the first editionaug,20 zongshen industrial group reserves all rights of this service manual. This chapter describes several specific sensors used in automobiles, such as potentiometers. Ezefi marine selftuning engine control system mercury marine inline kit. The following page has a list of some of the more commonly used sensor types. Now, holley efi products power these cars and are dominating the performance world. Below we have provided a link to these manuals which can also be download. Pdf advanced engine performance diagnosis, fuel injection system, computer control system, sensors system find, read and. Figure 254 typical ignition timing map developed from testing and used by the vehicle computer to provide the. The following information is intended to offer a very brief tutorial on properly selecting the most common efi components. Do not loosen or tighten the white painted bolts and screws of the. After comparing that information to a set of known parameters called a map, the computer determines exactly how much fuel is. Table of contents page contact list 3 engine management system overview 4 a ecm system components 7 b governed throttle body 8 c fuel components 10 d ecm 12 e engine sensor 14 f cold start capability 15.
List of sensors that are used on efi engines by david karanja. The adobe flash plugin is needed to view this content. It should be careful to take the electronic component ecu, sensor, etc. The system editor is for managing all of your engine maps, calibrations and setups. Fuel is supplied under constant pressure to the efi injectors by an electric fuel pump. Install the pg throttle body and mixer to the intake manifold. In order to provide the correct amount of fuel for every operating. Ppt electronic fuel injection efi powerpoint presentation free to download id. A high quality pdf service manual for a arctic cat powder special 500 efi le 2000. To check, select info from the adv options section in. This basic manual contains the information necessary for the installation of the throttle body, wiring, and sensors.
This is listed as engine with o2 data under the data type pulldown menu. The evolution of microcontroller and sensor technology is allowing automobile industry. One major installation issue we had was due to the highly modified nature of the engine that we are working with. Introducing ms3pro evo standalone engine management system supersedes 1st gen ms3pro ms3pro evo standalone engine management system is an evolution, not a revolution a scaled up, more capable ms3pro due to shared technology with big brother, ms3pro. See our fuel injection efi pro flo estreet universal marine fuel injection kit. Computers and sensorsoperation,diagnosis,and service 593 figure 253 many electronic components are used to construct a typical vehicle computer. Presentation pdf available october 2018 with 668 reads. Sensors located in the engine and throughout the rest of. Advanced sensor technology allows engine to optimize performance by automatically adapting to operating conditions compared to a comparable kohler carbureted engine under comparable loads and duty cycles owners manual.