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About Nissan Direct Injection

Pressure Control Valve Voltage on High Pressure Fuel Pump (Cas. Direct Injection System Nissan VQ25DD Engine)


 


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日産VQ35 自動車エンジンの分解
日産の名エンジンのひとつVQの分解です。エンジンは3万 キロ走行後で オイルパン、ヘッドカバーが外れている状態から撮影開 始しました。(あいにくビデオカメラが故障中でデジカ メで代用したため折角の解説がすべて録音できていませ ん。) 実際目の前で見るとエンジンの精巧さやメカの面白さに 気づきます。 収録されていませんがカムシャフトの交換等チューニン グメニューがあります。 ご参考 http://www.nismo.co.jp/omori_factory/original_menu/engine_m/s2/index.html http://www.nismo.co.jp/omori_factory/news_list/news_1217.html 関係者様:このような機会も設けていただき大変ありが とうございました。





How To Ecotec Direct Fuel Injection Diagnosis and Repair from Autolite Spark Plugs
This video explains how direct fuel injection works and how to diagnose common problems on the ecotec engine





High Precision Injection (gasoline engine)
The spark plug close to the direction with 200 bar to inject fuel and 3 strategy of injector depend on engine speed You will get high horse power, Flat torque at low rev and high compression radio that use less of energy than in-direct gasoline engine





GDI vs PFI Fuel Injection
GDI vs PFI Fuel Injection Get the Amazon Printed Books: http://www.amazon.com/GDI-Gasoline-Direct-Injection-Explained/dp/1480088897 /ref=sr_1_1?s=books&ie=UTF8&qid=1358528186&sr=1-1&keywords=%28GDI%29+Gasoli ne+Direct+Injection+Explained Get the Android Book-APP: https://play.google.com/store/apps/details?id=com.app.book.AOTXZFNNBBBAFQHX V&feature=search_result#?t=W251bGwsMSwyLDEsImNvbS5hcHAuYm9vay5BT1RYWkZOTkJC QkFGUUhYViJd Get the Kindle Book: http://www.amazon.com/Gasoline-Injection-Explained-Technology-ebook/dp/B009 OUMOJM/ref=sr_1_4?s=books&ie=UTF8&qid=1358528186&sr=1-4&keywords=%28GDI%29+ Gasoline+Direct+Injection+Explained Multipoint or port fuel injection means there is a separate fuel injector for each cylinder that sprays fuel into the intake port, right before the intake valve. Gasoline direct injection or GDI is a more advanced version of multipoint systems in which fuel is injected directly into the combustion chamber instead of the intake port. This improves combustion efficiency, increases fuel economy and lowers emissions. Diesel engines have long used direct injection, but it is only in the past few years that manufacturers have adopted it for widespread use in gasoline or petrol engines, as it is called in Europe. GDI was first used on the Mercedes gull-wing of the 1950's. It was later changed to regular injection. The biggest aspect of GDI is that gasoline is injected straight to the combustion chamber, as opposed to right before the intake valve. Post injection is a lot less precise, since the injection event happens at the intake port or manifold runner and stays there for a few seconds before being sucked to the cylinder. GDI directs the injection event right on top of the piston. The end result ... See the the entire video right here on this channel... Enjoy... Amazon Printed-Books & Kindle: http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dstripbooks&fiel d-keywords=mandy+concepcion Google Play Android APPs: https://play.google.com/store/search?q=mandy+concepcion&c=apps Amazon Video DVDs: http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dmovies-tv&field -keywords=mandy+concepcion Barnes & Noble Nook: http://www.barnesandnoble.com/s/mandy-concepcion?keyword=mandy+concepcion&s tore=allproducts Apple iTunes iPad: http://itunes.apple.com/us/artist/mandy-concepcion/id449573393?mt=11





Water Pump Regulator Switch - Removal, Installation and Setting Pressure
The pump shown is a jet pump used with a sand point. This is a very detailed video. Hopefully there is enough info here to help everyone who needs it. For those who only need to know a little of this, I apologize for the length. Disclaimer: To the best of my knowledge this video is accurate. I am in no way responsible for any occurrence resulting from following the instructions in this video. If you are not comfortable working with electricity, have a qualified electrician do the wiring for you.





How modern technology can increase horsepower and gas mileage at the same time.
Emmy Award winning mechanic Scotty Kilmer shows how Fords new ecoBoost gasoline direct injection system can increase horsepower and get better gas mileage at the same time. The trick is high pressure direct injection into the engine cylinders. For more free car info, just visit www.scottykilmer.com





GDI High Pressure Pump Construction
GDI High Pressure Pump Construction Get the Amazon Printed Books: http://www.amazon.com/GDI-Gasoline-Direct-Injection-Explained/dp/1480088897 /ref=sr_1_1?s=books&ie=UTF8&qid=1358528186&sr=1-1&keywords=%28GDI%29+Gasoli ne+Direct+Injection+Explained Get the Android Book-APP: https://play.google.com/store/apps/details?id=com.app.book.AOTXZFNNBBBAFQHX V&feature=search_result#?t=W251bGwsMSwyLDEsImNvbS5hcHAuYm9vay5BT1RYWkZOTkJC QkFGUUhYViJd Get the Kindle Book: http://www.amazon.com/Gasoline-Injection-Explained-Technology-ebook/dp/B009 OUMOJM/ref=sr_1_4?s=books&ie=UTF8&qid=1358528186&sr=1-4&keywords=%28GDI%29+ Gasoline+Direct+Injection+Explained New modern GDI or gasoline direct injection high pressure pumps can be of two types, the three piston pump and the more common single piston pump, with a pressure and volume control solenoid. This single piston GDI High Pressure Fuel Pump is suitable for most homogeneous and stratified combustion gasoline direct injection engine schemes. Its roller follower or tappet cam drive plunger designs reduce friction and contribute to fuel economy and greater power. The pump is an engine driven, on-demand control pump that features a single-piston and integrated design, also supporting a wide range of engine software maps. It delivers operating pressure from 30 bar to 200 bar, or 100 to 2900 PSI. These pumps offer a high flow capability for larger displacement engines. GDi Fuel Pumps includes an integrated flow control valve for accurate fuel control and an integrated overpressure relief valve. A one way valve is also included, which helps maintain the fuel rail internal pressure. Seen here we can see the cam lobe actuating on the GDI high pressure pump plunger and piston. Upon simple observation it is a normal piston pump, with nothing extraordinary about it. However, the key component here is the fuel pressure control solenoid to the right of the pump side. The ingenious ingredient here is the high processing power of the ECM used to control the pump solenoid. The idea is for the ECM to .... Get the whole story right here in this video... Enjoy... Amazon Printed-Books & Kindle: http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dstripbooks&fiel d-keywords=mandy+concepcion Google Play Android APPs: https://play.google.com/store/search?q=mandy+concepcion&c=apps Amazon Video DVDs: http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dmovies-tv&field -keywords=mandy+concepcion Barnes & Noble Nook: http://www.barnesandnoble.com/s/mandy-concepcion?keyword=mandy+concepcion&s tore=allproducts Apple iTunes iPad: http://itunes.apple.com/us/artist/mandy-concepcion/id449573393?mt=11 Website and Blog: http://www.autodiagnosticsandpublishing.com http://www.diycardoctor.com





SIDI Technology Explained
Spark Ignition Direct Injection is the next generation of engine technology. SIDI technology gives you dramatically increased performance for less fuel consumptions, and is now available in a variety of Holden vehicles.





GDI Pressure Control Solenoid
GDI Pressure Control Solenoid Get the Amazon Printed Books: http://www.amazon.com/GDI-Gasoline-Direct-Injection-Explained/dp/1480088897 /ref=sr_1_1?s=books&ie=UTF8&qid=1358528186&sr=1-1&keywords=%28GDI%29+Gasoli ne+Direct+Injection+Explained Get the Android Book-APP: https://play.google.com/store/apps/details?id=com.app.book.AOTXZFNNBBBAFQHX V&feature=search_result#?t=W251bGwsMSwyLDEsImNvbS5hcHAuYm9vay5BT1RYWkZOTkJC QkFGUUhYViJd Get the Kindle Book: http://www.amazon.com/Gasoline-Injection-Explained-Technology-ebook/dp/B009 OUMOJM/ref=sr_1_4?s=books&ie=UTF8&qid=1358528186&sr=1-4&keywords=%28GDI%29+ Gasoline+Direct+Injection+Explained The newer GDI gasoline direct injection engines employ a very tight control of the high pressure fuel pump by regulating the fuel pressure and volume solenoid. This solenoid is built into the high pressure pump. The ECM uses various sensor readings and the fuel pressure sensor value to control the pressure solenoid valve. Due to the high pressures seen on GDI engines, at around 2900 PSI, the electrical control of this solenoid also has to follow suit. The GDI fuel pressure solenoid is controlled by a heavy ECM driver and a ... Get the whole story right now in this video... Enjoy... Amazon Printed-Books & Kindle: http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dstripbooks&fiel d-keywords=mandy+concepcion Google Play Android APPs: https://play.google.com/store/search?q=mandy+concepcion&c=apps Amazon Video DVDs: http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dmovies-tv&field -keywords=mandy+concepcion Barnes & Noble Nook: http://www.barnesandnoble.com/s/mandy-concepcion?keyword=mandy+concepcion&s tore=allproducts Apple iTunes iPad: http://itunes.apple.com/us/artist/mandy-concepcion/id449573393?mt=11 Website and Blog: http://www.autodiagnosticsandpublishing.com http://www.diycardoctor.com





Google Project 10^100 - Steam Combustion Engine
The ancient steam technology is getting a new life with modern electronics. The precise direct water injection system could improve vehicle thermal efficiency by 100%. The high speed, high pressure water injection system is controlled by advanced computer system and can be installed in existing vehicles under $500.





Spark Injector Direct Injection System
Here is a prototype of what I'm working on.DIRECT INJECTION. I have a group set up in yahoo with photos and will share some testing when were ready. This is a direct injector, you can connect multiple fuel sources as well as other things to this plug. All fuel enters cylinder through spark plug hole. Tuners would love to have these for their EMS system, Standalone Engine Management systems. It rids of what manufactures call fuel injection. Please join, we need all the support we can get. There are so many people working on projects like these but were not unified as we should be. ttp://tech.groups.yahoo.com/group/SPARKINJECTOR/





Troubleshooting fuel pressure problems on a 2002 Intrepid
My car has an unusual problem. It gets the same fuel economy at 90MPH as it does at 60MPH and it doesn't like to start when cold. The malfunction indicator light is not on and there are no stored DTCs. Once the car is warm, it runs fine except for bad highway fuel economy. (21-23MPG instead of the usual 25-28MPG) . I think we found the problem. The fuel pressure is out of the specified range. Chrysler says the fuel pressure on the LH platform cars should be 58PSI +/- 5PSI..... this car ranged from 36 to over 75 PSI. It's time for a new regulator. These cars have returnless fuel injection so the regulator is not on the fuel rail, rather its on the fuel pump itself. As the RPMs increase, the pressure stabilizes which explains the bad fuel economy at lower speeds and OK economy at high speed. The gauge is an Actron/Sunpro unit picked up at Sears for $40. Check out this car and a whole lot of other sweet LH cars on lhforums.net!





How gasoline direct injection engines work.
The gasoline direct injection engine is part of a long history of sophisticated and innovative evolutions in the industry geared toward achieving better fuel economy, lowering emissions, and increasing engine power. As an alternative to the port fuel injector, which delivers fuel past the cylinder's intake valve, the direct injection engine has fuel injectors that spray fuel directly into the combustion chamber. These complex new technologies require fuels to evolve at a similar pace. The right combination of advanced fuel additives are critical in keeping the direct injection engine clean and efficient -- delivering the right quantity of fuel, at the right time, in the right position in the cylinder. © 2011 The Lubrizol Corporation. All rights reserved. Reproduction in whole or in part, in any form or medium without express written permission is prohibited.





Nissan Maxima / Infiniti Starter Replacement with Basic Hand Tools HD
TWITTER: https://twitter.com/CarsNToys FACEBOOK: https://www.facebook.com/pages/Carsntoys/118041931705993 PINTEREST: http://www.pinterest.com/carsnt/boards/ Starter replacement. As in all my repair videos, I only use basic hand tools. Don't forget to wear safety glasses. Tools required: Flat head screwdriver Pliers 13mm wrench ratchet with 14mm & 17mm sockets multimeter Safety glasses Facebook: https://www.facebook.com/pages/Carsntoys/118041931705993 Please note: This video is being performed by an experienced tech. Any attempt to repair automotive parts and/or systems carries risk of personal injury. Always adhere and follow safe practices when working on vehicles. Such as, use safety glasses, jack stands, no loose clothing, etc. No guarantee or warranty is implied. Use the information in this video at your own risk.





Vq25dd
Vq25dd Негерметичная форсунка ,нагар на клапанах.




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