Race city injector provides gdi fuel injector cleaning for gasoline direct injectors. The characteristics of gdi injector are measured and analyzed, the feasibility of the driving. Gasoline direct injection gdi, also known as petrol direct injection pdi, is a mixture formation. Gasoline direct injection key technology for greater efficiency and dynamics. Without cleaning, deposits can lead to hard starts, lost acceleration and rough idling. Stp direct injection fuel injector cleaner is a pea based high performance formula scientifically engineered to dissolve hardened deposits that accumulate on injectors in vehicles with direct injection systems. The characteristics of gdi injector are measured and. This is achieved by precisely controlling the fuel quantity and the injection timing to.
Jul 17, 2012 gdi injector internal resistance ranges between 2. Some love, some hate it but no matter what, direct injection for gasoline engines is here to stay. The mitsubishi gdi technology was also licensed by peugeot, citroen, hyundai, volvo and volkswagen. Understanding aftermarket testing of gdi injectors. Once confined to diesel and high end gas vehicles, direct injection. Figure 9 from development of an adaptive driving module for. Design of drive circuit for gdi injector request pdf. An2736 l9707 l9707 l9777b gdi injector driver bosch fuel injector gdi bosch bosch injectors l9777b l9777 bosch injector driver injectors gdi bosch solenoid injector. The most important feature of a gdi injector is not the flow rate of the injector but the fuel distribution and atomisation that form the injectors spray pattern. The major advantages of a gdi engine are increased fuel efficiency and high power output. Injector driver modules, also known as idms, work with the central computer system and the fuel injection system in a vehicle. Pfi driver module kit users manual national instruments. Magneti marellis ranges of gdi injectors are already fitted on 4, 6, and 12cylinder engines sold on the european, north and south american and asian markets. Injector solenoid resistance injector solenoid inductance.
Why your gas direct injection engine needs regular service. Pfi driver module kit users manual d000006 rev g march 2012. Injector solenoid backboost time backboosttime injector solenoid resistance. In this mode, the injector current is ramped up at a rate of 10 ms amp until the injector plunger opening is detected. The idu1 is an injector driver box for use with gasoline direct injection gdi engines. This is distinct from manifold fuel injection systems, which inject fuel into the intake manifold. Following, well explain exactly how gdi injectors are triggered and how to test them. Injector second generation xm 20112020 kia sorento xm 20112020 service manual engine control fuel system engine control system injector the gdi injector is similar to a standard injector, but sprays fuel at a much higher pressure directly into the combustion chamber and has a swirl disc to get the fuel swirling as it.
Gasoline direct injector cleaning race city injector. Dec 07, 2007 gasoline direct injection gdi continues to be a weapon in the technology armoury of automakers in their fight to reduce co2. Fueltech has been in the performance market since 2003. Such apc can be queued from regular usermode process seen in cuckoo as well as from kernelmode driver. Fuel injector driver modules free shipping on orders over. Characteristics of spray from a gdi fuel injector for naphtha. Gdi injectors gasoline direct injection injector cleaning. One fuel injector manufacturer projects that by 2015, 25% of all new vehicles in north america will be direct injection. Have teflon seals where injector goes into the cylinder heads.
Specialized in the manufacture of engine management systems, high quality units for your race car or street car. Gdifsi injector driver for injector cleaning all about. Mitsubishi md340897 mitsubishi electric e8t11173 repair of your mitsubishi fuel injector driver mitsubishi part number. Gasoline direct injection system diagram l1 oxygen sensor front l2 oxygen sensor rear l3 air flow sensor l4 intake air temperature sensor l5 throttle position sensor 2nd channel l6 camshaft position sensor l7 crank angle sensor l8 barometricpressure sensor l9 engine coolant temperature sensor l10 fuel pressure sensor z1 injector.
We aim to provide valuable tools, tips and teachings, based upon the most reliable and valid information available to us. Canbus, kline bus controller integrated circuit product name status description features package qlevel si9200eyt1e3 can bus driver and receiver single supply smd so8. The asnu gdi adapter box has been designed to drive gasoline direct injection gdi injectors with an approved supply of current and voltage to simulate injector electronic operation as on the engine. Design of the electrical drive for the highpressure gdi injector in a. Gdi is responsible for tasks such as drawing lines and curves, rendering fonts and handling palettes. Injection jon feiner casey wagoner theory of gdi gasoline direct injection gdi is a new technology that follows port fuel injection pfi. Gdi uses high pressure to deliver fuel at any point on the. I did find a pdf on injector driver design but it is a design for vehicle use so there is probably more involved with accuracy and signal noise. The injector tip was mounted on a large metal cylinder. This user manual contains information for the ni 9751 direct injector driver. Thereby the highpressure injector supports different. Application hints the injector driver integrated circuits were designed to be used in conjunction with an external controller.
In order to precisely control the injection responsivity of the gasoline direct injectiongdiengine,a higher requirement of the injector drive circuit should be achieved5. The fuel system can provide up to 200 bar fuel injection pressure. Experimental details the injectors used in this investigation were a sixori. Ni 9751 direct injector driver module user manual national. Jul 29, 2016 obd ii fault code p062d is a generic code that is defined as fuel injector driver circuit performance bank 1, and is set when the pcm powertrain control module detects an inconsistency between the number injection command, and injection confirmation signals for one or more fuel injectors. Figure 9 from development of an adaptive driving module. Gdi engines make for improvements in fuel economy and higher power output over pfi engines. Design of driving circuit of gdi injector and experiment. Simplicity and easy to use design is what makes fueltech product line unique. Oct 15, 2017 the most important feature of a gdi injector is not the flow rate of the injector but the fuel distribution and atomisation that form the injectors spray pattern.
The injector tip was mounted on a large metal cylinder, which was. Gasoline direct injection gdi, also known as petrol direct injection pdi, is a mixture formation system for internal combustion engines that run on gasoline petrol, where fuel is injected into the combustion chamber. This entry was posted in gdi injector testing and tagged fuel injection service in winnipeg, gdi fuel injector diagnostic, gdi gasoline direct injection testing winnipeg, gdi injector testing, gdi injector testing canada, winnipeg turbo on april 11, 2014 by western turbo fuel injection. The graphics device interface gdi is a microsoft windows application programming interface and core operating system component responsible for representing graphical objects and transmitting them to output devices such as monitors and printers. Gasoline direct injection key technology for greater.
The rail pressure is controlled by a labview program using a pid control scheme. More recent studies by shengnian cai 2012 used soft switching technology in high speed solenoid valve driver circuit, and found it can reduce. Manufacturers believe that homogeneous applications of gdi will be. The auxiliary fuel injector or ignition driver project is a universal design that interfaces your ecu or other controller to a fuel injector, ignition coil or other high current device. The gdi fsi driver could be used in a standalone box to cost effectively convert existing petrol injector testers to view the spray pattern and delivery rate rate of these modern injectors. Electrical driving circuit, electronic control unit ecu. An experimental characterization for injection quantity of a. Engines that need high pressure fuel injection rely on injector driver modules to control the. Gdi is often used with a turbocharger or supercharger for fuel economy gains of 10% or more.
Two axial locations, 25mm and 35mm from the injector exit, are chosen for. For optimum performance of modern gdi injector, the system should be capable of driving a highspeed solenoid injector at a very fast switching frequency. Which of the eight listed components can affect fuel trim values in all operating ranges. Gdi driver life racings direct injector driver is a compact unit capable of driving four fuel injectors at a high voltage, thus catering for the requirements of highpressure solenoid injectors. Fuel injector driver modules free shipping on orders. Does direct injection cause more problems than it solves. Only vehicles with fuelinjection systems will use an injector driver module.
Our direct injector driver is a compact unit capable of driving four high voltage, highpressure solenoid injectors. Racechip chip tuning is specially customized to the applicable fuel injection technology with respect to both hardware and software. The fuel injector is controlled by a piezo injector driver from drivven a subsidiary of national instruments, inc. What i need to do is control a new gdi fuel injector like those in petrol and deisel engines now these guys work as a solenoid, and they require 80100v to throw them open, then plain old automotive battery voltage. Jul 15, 2012 gdi engines make for improvements in fuel economy and higher power output over pfi engines. Asnu has experience of gdi injectors with differences of up to 15% in flow rates between the best and the worst delivering injector, yet the engine still runs without a problem. There are six gdi injector drivers on the unit and 2 lowside injector. Parkspray atomization characteristics of a gdi injector equipped with a grouphole nozzle.
The unit generates the complex waveforms required to activate the injectors. Home page services warranty testimonials blog about us contact us. Choose top quality brands a1 cardone, gb remanufacturing, standard motor products. Canbus, kline bus controller integrated circuit product name status description features package qlevel si9200ey. The gdi injector driving circuits were manufactured to be a practical printedcircuitboard pcb to test the effects of engine speed, pressures of the gdi fuel supply system, power supply voltages, first stage turnon driving currents, pulse durations and pwm control added to the last pulse duration on the dynamic performance of the gdi injector. Several audi, seat, skoda and vw model series with 2. International journal of spray and timedependent lineof. Characteristics of spray from a gdi fuel injector for naphtha and surrogate fuels. Characteristics of spray from a gdi fuel injector for. If you answered maf sensor, lowpressure fuel pump and possibly the gdi highpressure pump, youre on the right track. Compactrio crio module with the following components for driving a variety of diesel. This paper introduces a new design of driving circuit for the injector of the ea888 engine.
The use of optical patternator to study sprays from gdi injectors is novel, and this investigation aims to shed some light on some aspects of spray characterization. There are many different manufacturers names for gdi, but they all have the same feature. The highpressure injectors hdev are fitted to the fuel rail. Gdi engine from a bmw car fuel injector is located above the red triangle. They run on leadfree gasoline as well as on ethanol and methanol in various concentrations. Direct fuel injection on gasoline engines sees the fuel injector mounted. Engines that need high pressure fuel injection rely on injector driver modules to control the fuel injection system. This is achieved by precisely controlling the fuel quantity and the injection timing to the cylinders. The highpressure pump is driven by a 2 horsepower hp electric motor. The port fuel injector driver module kit provides a compactrio crio module for driving low and high impedance port fuel injectors pfi and general purpose automotive solenoid valves. Buy a 2001 ford f350 super duty diesel injector driver module at discount prices. Study of the injector drive circuit for a high pressure gdi injector. Instead of injecting the fuel on the back side of each intake valve for each cylinder gdi sprays directly into each cylinder.
The current required to open a solenoid is several times greater than the current necessary to merely hold it open. Injector driver box operation pn g0162400 control io connector. Shop lowestpriced oem 2015 kia forte parts from genuine parts catalog at. Emissions levels can also be more accurately controlled with the gdi system. The intelligent driver will share intelligent driving nuggets of truth idnots on the lesser known facts in todays vehicles. Wenchang tsai pengcheng yu and shyuebin chang advanced. Race city injector provides fuel injector cleaning service for gasoline direct injectors.
Internal boost power supply performance the following critical factors determine how well the internal boost power supply will perform for a particular injector solenoid application. Parts like under cover are shipped directly from authorized hyundai dealers and backed by the manufacturers warranty. Gasoline direct injection gdi engines can provide the best of two worlds. Shop lowestpriced oem 2016 hyundai sonata parts from genuine parts catalog at. Gasoline direct injection gdi continues to be a weapon in the technology armoury of automakers in their fight to reduce co2. Even though apcs are undocumented to decent extent, the technique of using them to inject a dll into a usermode process is not new and has been talked through many times. A powerful diagnostic tool rethink the next diagnostic steps. Design of driving circuit of gdi injector and experiment verification. Simulation results show that voltage ripple is less than 10%. Obd ii fault code p062d is a generic code that is defined as fuel injector driver circuit performance bank 1, and is set when the pcm powertrain control module detects an inconsistency between the number injection command, and injection confirmation signals for one or more fuel injectors. Port fuel injector drivers each pfi driver channel is capable of driving low or high impedance port fuel injectors. All of the products we offer are from trusted sources and can be shipped to you within the next day of your order.
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