Fuel Injector Operation
Details the operation of the automotive fuel injector. Goes into how to test the fuel injector, theory of operation and other aspects of reading the injector waveform on the automotive scope. Finally, coverage is also given as to the specific current flow characteristics for automotive fuel injectors. Schools may use this automotive technology video as an in-class companion.
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Injector Circuit & Wiring Diagram
Injector Circuit & Wiring Diagram
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Amazon Kindle Edition
http://www.amazon.com/Automotive-Electronic-Diagnostics-Course-1-ebook/dp/B0052MCTRI/ref=sr_1_1?s=digital-text&ie=UTF8&qid=1360015586&sr=1-1&keywords=electronics+1%2C+mandy+concepcion
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Learn to test and analyze automotive fuel injector circuits from a wiring diagram perspective. Fuel injectors are attached to the fuel rail. It is very time consuming to detect and prove a clogged fuel injector. The technician needs to disassemble the fuel rail, de-activate the fuel pump and perform lengthy tests to prove the fault. However, there is another way. Using current ramping techniques the technician is able to prove the fuel injector without any disassembly at all. Get the scoop here and save time.
Presented using graphics software technology to denote the concepts. Part of our wiring diagram set of videos shown here in this channel. Enjoy...
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How to Test Crankshaft and Camshaft sensors 1
How to Test Crankshaft and Camshaft sensors 1
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Shows the operation and testing procedures of automotive cam and crk sensors, which supply the ECM with engine camshaft and crankshaft position. These two signals are essential for the engine to run. (note: We allow all schools and training institutions to use our software free of charge, so long as it is not sold to others. You're encouraged to download our free automotive simulation software for more information.
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Knock Sensor Operation
Knock Sensor Operation
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Android APPs
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Explains the Knock Sensor Operation and Testing. The Knock sensor is a actual microphone screwed into the engine block. It is tuned to listen to the exact frequency of an engine knock, which is a high frequency ping. A failing knock sensor will cause all sorts of problems to engine operation, such as skewed timing controls, loss of performance and power and ever the system going to linp-in mode. Learn how it works and how to test this incredible component. (note: We allow all schools and training institutions to use our software free of charge, so long as it is not sold to others. You're encouraged to download our free automotive simulation software for more information.
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Toyota VVT-iE, Variable Valve Timing
Toyota VVT-iE, Variable Valve Timing
Describes the operation of the Toyota VVT-iE or variable valve timing with Intelligence Electronic. This is Toyota's highest state of the art variable valve timing system, which uses a small electric motor/actuator to advance or retard the valve timing. By varying the speed of the motor, the system is able to change follow the CAM sprocket, increase speed to advance or decrease speed to retard. The end result is a fast acting and accurate CAM timing control system. See how it works and why.
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DIY Fuel Injector Cleaning & Repair
This is the end result of a few hours of work and $60 because I didn't have a 1/4" NPT tap in any of my kits. I could have done this for less-than $40. The BG products were donated to the cause.
Tech info:
The REASON you want to use 20 PSI is precisely because of how peak-hold type injectors work. The injector signal sends a 4v spike to open a peak-hold type injector quickly, then maintains its open condition with only 1 volt. Really, it's a current thing and there's a longer explanation, but that's it in a nutshell. When you put the injector in its operating pressure, it takes more than a AA battery to open it, but you don't want to sustain that much current with a momentary switch and your expensive injectors. This isn't in the video because this warning wouldn't be as clear. Unless you can simulate the injector pulse precisely, don't try it. 1.5v is enough to open it below its operating pressure. If you open it and THEN apply pressure, you can flow as much pressure as you can throw at it.
I don't discourage anyone from getting their injectors professionally cleaned and balanced, but in my case, I didn't feel that was necessary.
In my first video, I thanked the seller for these injectors and happy to know I got a great deal on high quality parts. My gratitude is even greater because I had problems with them. It gave me an opportunity to help others troubleshoot these kinds of problems when purchasing used parts. A different idiot might have blamed the seller for peddling crap, demanding their money back... but that would only be because they didn't even know what they were looking at.
This particular idiot knows what high quality parts RC injectors are and how to clean 'em. $250 + $60 still means I saved about $150 on a brand new set. We all benefit because I bought these and I'm grateful! Let the good times roll.
Common rail injection system
The injection technology used in the TGL and TGM is the most sophisticated one: a state-of-the-art common rail injection system with vertically positioned 7-jet injector nozzle. The latest generation of EDC7 control units provide the controls of the system. Only this system ensures the best-possible control of the fuel injection process. In each compression stroke, the injection quantity can be divided into pre-injection (1) and main injection (2). In some cases, a post-injection (3) is used. The engines operate with an increased maximum injection pressure of more than 1,800 bar in order to reduce the soot particles inside the engine. The engine runs extremely quietly and noise emissions are low due to the pre-injection (1). The common rail system also supplies considerable advantages in torque, particularly at low speeds. At all engine ratings, the favourable progression of torque across a wide range of engine speeds makes driving economical and requires very few gear shifts.
Quick Tip-Throttle Cleaning - EricTheCarGuy
This one goes out to BowlingBallOut who posted a question about a sticky throttle on his Saturn. It was a great question so I decided to make this video in response to it. There are many different configurations of throttle assemblies but for the most part if you have a throttle that is sticking you might be able to fix it using the procedures in this video. I am aware you may not able to purchase spray throttle cleaner in some states now but I'm sure they have some alternative available at your local parts store.
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Due to factors beyond the control of EricTheCarGuy, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. EricTheCarGuy assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. EricTheCarGuy recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of EricTheCarGuy, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not EricTheCarGuy.
Function of the common rail fuel injection system
For engines equipped with common rail injection technology, the injection pressure is generated independently of the load and engine speed. To enable this, the injection pressure build-up is separated from the injection process.
A high-pressure pump generates the necessary fuel pressure, which is stored in a high-pressure accumulator (the rail) from where it is available to all injectors at all times. These injectors have extremely fast solenoid valves that are actuated electronically. This results in a great amount of flexibility in designing the injection process. At MAN, up to 3 partial injections are currently used per work cycle. As a result, a freely selectable common rail system pressure can be produced for all cylinders across the entire operating speed range of the engine.
An optimised injection process with ideal atomisation under high injection pressure can thus be achieved even at low engine speeds. For design reasons, this freely selectable build-up of system pressure is not possible for cam-controlled systems such as pump nozzle (PN) and unit pump system (UPS). The pressure level for these systems fluctuates depending on the load and engine speed. The largely free configuration of the injection parameters, as enabled by the common rail system, is not possible in this case.
Volkswagen TSI Engine 3D Animation
https://www.eurocarnews.com - Volkswagen AG - The most effective means for reducing fuel consumption is so-called downsizing. By reducing displacement and thereby lowering frictional losses, a lower specific fuel consumption can be achieved, and this goes hand in hand with better efficiency. The innovative path to the future is the combination of Supercharger and turbocharger. The Supercharger compensates for typical drive-off weakness at low revs of purely turbocharged gasoline engines, while the turbocharger really puts out at higher revs. This combination of two types of chargers is unique among engines mass-produced worldwide.
Injector Voltage Waveform Analysis
Injector Voltage Waveform Analysis
This video trains you on using the injector waveform to detect all sorts of faults, such as clogged, weak springs and more. An injector waveform is an exceptional tool for diagnostics. The time savings alone in detecting a clogged injector is huge. The analysis of the injector voltage as a waveform is of special importance, as well as the current or Amperage waveform. See all sorts of injector voltage waveform peculiarities here. Learn and enjoy.
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Diesel Common Rail Injection Facts 1
Diesel Common Rail Injection Facts 1
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https://www.createspace.com/3786463
Amazon Kindle Edition
http://www.amazon.com/Diesel-Common-Injection-Automotive-ebook/dp/B00760D04U/ref=sr_1_2?s=digital-text&ie=UTF8&qid=1360015278&sr=1-2&keywords=diesel+injection%2C+mandy+concepcion
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Common Rail Diesel Injection video detailing the specifics of the system as a whole, including diesel pump, pressures, and type of injection pattern. Common rail Diesel fuel injection is now the state of the art in engine injection. The Bosch Piezoelectric (crystal) injector operates using a crystal stack, usually Quartz, that changes size when energized. The piezoelectric effect states that when a crystal such a Quarts is squeezed an electric current is generated. By the same token, when electricity is applied to the crystal is changes shape. This minute change in crystal size is used to trigger a small fuel chamber on and off. In turn, this chamber creates a pressure differential at the top of the injector which make it open and close. See further information here.
Presented using advanced software CG animation technology to help you understand. Part of our Diesel and electronic series shown here on this channel. Enjoy...
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Common rail diesel
http://www.dieseljones.co.uk Explanation of the common rail diesel system
Fuel Injection Replacement by Standard
Fuel Injectors distribute fuel into the engine's cylinders where it's burned to power your vehicle. Injectors have a very specific spray pattern and volume. If this pattern or volume is altered, the injector won't deliver the proper amount of fuel at the right time. The result is the vehicle will not run properly or at maximum power.
Why Maintain Fuel Injectors?
Over time, deposits build up on the injector nozzles, adversely altering the spray pattern and injector volume. These deposits may come from additives in gasoline or may be a result of other types of build-up.
Fuel injectors need to be part of regular engine maintenance plan so that they perform at peak levels. If not, the result will be poor drivability, reduced fuel economy, higher emissions and overall poor performance.
Fuel injectors are small—like precision garden hose nozzles. And just like a garden hose nozzle, the spray can vary from a wide flow to a tight stream. If dirt gets in, the spray pattern will be altered and the hose doesn't work properly.
As injectors get clogged, the car may begin to hesitate, stumble, idle rough or suddenly lose power. It may even become hard to start.
So why clean Injectors...because dirty injectors lead to:
- Increased Emissions
- Reduced Fuel Economy
- Catalytic Converter Damage
- Poor Handling
Here's how clean injectors affect your vehicle:
- Improved Engine Performance
- Reduced Emissions
- Conserve Energy
- Save Money at the Pump
Audi Common rail system explained
Visit http://www.myturbodiesel.com/ and http://www.myturbodiesel.com/1000q/Audia48k/2012-audi-A4-tdi-avant-faq.htm for more Audi TDI information and VW TDI FAQ