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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





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





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.And, If you like my car help, be sure to watch my live car talk show every Saturday morning at 10 AM CST on YouTube. I answer your car questions LIVE there. Just check it out at https://www.youtube.com/watch?v=VognjkYaMjg&list=UUuxpxCCevIlF-k-K5YU8XPA&f eature=c4-overview . And remember, every TUESDAY I upload a new video, so don't miss them.





GDI Advantages
GDI Advantages 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 Modern GDI systems provide a wider air fuel control range, are more fuel efficient and are easier to control. GDI is the next step in evolution from multi-point fuel injection, and offers another degree of emission control by eliminating the fuel portion being introduced along the intake manifold. By directly injecting fuel into the combustion chamber, the cylinder and piston are cooled, thereby allowing higher compression ratios, amore aggressive ignition timing and enhanced power output. The fuel injection event itself is also highly managed, usually with dual or ... 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





СБОРКА-1.mpg
Сборка VQ25DET 1-я серия.





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





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.





【HD】NISSAN VQ25DD
V35スカイラインのエンジンVQ25DDです





Nissan Cedric ( GoPro Test )
Japo Motorsport's GoPro test on a Nissan Cedric HY30 (L6 2.8L)





What places can block heater install in Toyota VVT-i engine block
What places can block heater install in Toyota VVT-i engine block





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
READ THIS BEFORE COMMENTING! This issue was solved....read on: 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 it's built into 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. Replacing the fuel pump assembly (and thus the regulator) fixed the economy issues. The no start was a dirty IAC. The pintle was worn so I replaced the IAC motor assembly when I cleaned the throttle body. 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 to replace an O2 Sensor and save money.
I show you how to replace your O2 Sensor. This is being performed on a 1997 Chevy Tahoe. Automotive oxygen sensors, colloquially known as O2 sensors, make modern electronic fuel injection and emission control possible. They determine if the air fuel ratio exiting a gas-combustion engine is rich (with unburnt fuel vapor) or lean (with excess oxygen).





How to check that car's fuel gasoline is Ok. No water or small items. See water in gasoline.
How to check that car's fuel gasoline is Ok. No water or small items. And how to see water in gasoline.




Which car is faster? Which Car is Faster?





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