Reduced oil pressure; modified chain adjusters and less tension with the rest of the chain drive system the same as the Gen 2, .5mm reduction in cylinder wall thickness, Use of more aluminum fasteners (remember single use on all of those when you are working on it at home). Highlights of the Gen2 TFSI were the Audi exhaust valve lift system and a pressure- and volume-flow-controlled oil pump. New, more compact turbocharger with electric wastegate actuator, and lambda probe upstream of the turbine. Monday - Friday: 8am - 5:30pm. Cookies help us deliver our Services. An increase of the compression ratio from ε = 9.6 to ε= 11.7 by decreasing the combustion chamber volume. This allows operation at partial load with a short intake valve timing, thus significantly reducing the intake phase. The Miller cycle uses a higher expansion ratio than compression ratio (i.e., over-expansion) obtained by either early or late closing of the intake valves (EIVC and LIVC, respectively), resulting in a smaller effective compression stroke; combustion and expansion proceed normally. By using our Services or clicking I agree, you agree to our use of cookies. Alex’s Autohaus is a top quality auto repair and maintenance shop specializing in exotic auto repair and European auto repair in Midvale, UT. Notice: Products that affect emissions, and do not carry a California Air Resources Board Executive Order, are not for sale in California, USA. Click to enlarge. The Audi valvelift system makes it possible to realize a very short intake opening period of 140 ° CA in the partial load range, while switching to a larger intake event at higher loads. Cooling passages through the exhaust section area allows faster coolant heat up time. All Right Reserved.

New, more compact turbocharger with electric wastegate actuator, and lambda probe upstream of the turbine. Click to enlarge.

Prior to the development of the new engine concept, Audi investigated the potential of known and new technologies to reduce fuel consumption. Click to enlarge. 2.0L TSI EA888 Gen.3 MQB Upgrade DIY Kit for Intank-Pump BAR-TEK® Description Downloads 1 Produktbewertungen 0 Conversion kit for the original MQB low-pressure fuel pump as in Golf 7 and Co. The low pressure pump upgrade requires over 400hp to prevent dangerous engine leaning. The software is installed to the vehicle's factory ECU through the OBD-II port once the ECU is unlocked, resulting in a clean and headache-free install. Cooling passages through the exhaust section area allows faster coolant heat up time. Our 80,000ft² state-of-the-art facility is home to some of the best engineers in the industry, who have mastered hundreds of engine management systems. Fuel consumption maps comparing Gen.3 2.0L and Gen.3B 2.0L engines. The visualization on the right show the effect of the changes to the Gen.3B engine in maintaining charge motion. The basic Gen.3B idea is to combine a shortened compression with a normal—i.e., longer in proportion to the compression—expansion phase to attain significant gains in efficiency. The range of engine performance is very broad. All rights reserved. The positions of the spark plug and high-pressure injection valve and the piston shape was adapted to the new combustion chamber. (Earlier post.) The production of these engines continued until 2015. Dr.-Ing. Here, the EA888 engine line is produced in Shanghai and Dalian will also subsequently produced in Changchun. It is best to provide some picture. Thanks for the detailed response.

We adjust air-fuel ratios, advance ignition, increase boost pressure, alter cam positions and lift profiles, and more, all depending on the type of engine and management system, of course!

To address this, Audi developed a new intake channel that produces a higher basic level of tumble; added maskings in the lower regions of the intake valves; and optimized the piston cavity. Despite the increase in displacement, the fuel consumption of the new 2.0L EA888 Gen.3B engine in the class up to 147 kW (197 hp) compares with current smaller displacement TFSI engines.

The basic Gen.3B idea is to combine a shortened compression with a normal—i.e., longer in proportion to the compression—expansion phase to attain significant gains in efficiency. Audi’s new higher-efficiency series-production 2.0 TFSI turbocharged gasoline direct injection engine introduced at the Vienna Motor Symposium last week is the first of the company’s EA888 Gen.3B family. Terms & Conditions | Privacy Policy | Warranty Information, Copyright© 2020 by APR, LLC. The visualization on the left shows charge motion in the Gen.3 engine. In order to achieve the necessary fresh air charge to represent the same mean pressure as in the conventional combustion process in the combustion chamber at time greatly shortened suction time, the pressure in the suction tube must be increased, resulting in a de-throttling and thus to a reduction in losses. Further, the high compression ratio pistons (with reduced recesses) also negatively impact the development and maintenance of tumble. The engineers opted for the modified Miller firing process. As the Gen 3B average pressure level is lower during compression, this results in work process efficiency gains for the new TFSI combustion process. The Rest of the World (ROW) uses RON. That's excellent information. I might be just making stuff up here, but I also think the 2.0t delivers its max torque at a much lower rpm than the 3.6, which makes the 2.0t feel about as responsive when accelerating.

Unlock hidden horsepower and torque with our performance tuning software for your vehicle's Engine Control Unit (ECU).

Maintaining meaningful charge motion is a significant challenge with reduced intake opening times and valve lifts. Maintaining charge motion. ). Audi says that the new 2.0L TFSI is the first representative of direct-injection gasoline engines based on “right-sizing” rather than “down-sizing”. Bolted directly to the head; no separate exhaust manifold, Placement of lambda sensor (oxygen sensor for those that prefer that term) allows for faster control and correction of fuel mixture, Higher closing force allows maximum torque sooner in the rev range, Faster operating speed of the wastegate allows for faster boost pressure release on deceleration, Boost pressure up to 1.2 bar, 1.0 bar more typical on prior generation engines. Some products may require additional modifications and additional maintenance. The shorter the intake opening period and the higher the compression ratio, the greater the theoretical efficiency gains. Thank you. Stefan Knirsch (2015) “Der neue Audi 2.0l mit innovativem Rightsizing—ein weiterer Meilenstein der TFSI-Technologie” Vienna Motor Symposium 2015, Posted on 14 May 2015 in Engines, Fuel Efficiency | Permalink The visualization on the right show the effect of the changes to the Gen.3B engine in maintaining charge motion. How about turbine? 0T Atlas and have been doing some research on the engine, which appears to be the EA888 Gen 3b. Rainer Wurms, Dr.-Ing. The EA888 Gen.3B resolves this trade-off through the use of the Audi valvelift system on the intake side. The Audi valvelift system makes it possible to realize a very short intake opening period of 140 ° CA in the partial load range, while switching to a larger intake event at higher loads. Once testing is complete with California, and an E.O. Dr.-Ing. APR ECU Upgrade - 2.0T EA888 Gen 3B (Transverse) Larger Image Unlock hidden horsepower and torque with our performance tuning software for your vehicle's Engine Control Unit (ECU). There seem to be a lot of reports of the timing chain stretching as early as 60k miles (just out of warranty, fancy that...). Maintaining meaningful charge motion is a significant challenge with reduced intake opening times and valve lifts. This is made possible through APR's optimization of the factory engine management system to take full advantage of the engine's capabilities, without needing any end user adjustment. APR's ECU Upgrades are the best dollar-per-horsepower modification one can make to improve engine performance. In all the versions since, there is an ability in the software to detect stretch by measuring lash and warn safely. Further, the high compression ratio pistons (with reduced recesses) also negatively impact the development and maintenance of tumble.

Taller de reparación, Mecánico de automóviles VW y Audi. So the new VW/Audi EA888 Gen 3 motor has been out for quite some time, but I still get questions on what is new with this engine. Notice: Products that affect emissions, and do not carry a California Air Resources Board Executive Order, are not for sale in California, USA.
The additional use of a turbocharger helps support relatively high engine loads with the short valve opening contour and the lower valve lifts, enabling the good efficiency of the EIVC-based process over a wider load range. I will try and address as many of these as possible.
The new EA 888 Gen.3B features a combustion method with over-expansion (i.e, a Miller-type cycle). Common issues, tips and tricks for the 2.0t EA888 Gen 3 engine June 28, 2016 June 24, 2019 Jovian Easily the most popular article I wrote was the Common issues, tips and tricks for the 2.0t FSI BPY engine. Audi engineers lowered the combustion chamber roof by about 0.9 mm, and moved the intake and exhaust valves—slightly reduced in diameter—axially downward. Audi’s new higher-efficiency series-production 2.0 TFSI turbocharged gasoline direct injection engine introduced at the Vienna Motor Symposium last week is the first of the company’s EA888 Gen.3B family.

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