Audi 1.4 ltr. TFSI Engine with Dual Charging Self Study Programme 491

Online PDF Audi 1.4 ltr. TFSI Engine with Dual Charging Self Study Programme 491

The 1.4l 136kW TFSI engine is a top-of-the-range addition to the Audi A1 series.
The combination of a Roots blower and exhaust gas turbocharging is reflected in spontaneous throttle response and high pulling power, even at high driving speeds. The Roots blower cuts in at 1500 rpm and, in most situations, cuts out again at 2400 rpm.

At the latest by 3500 rpm, the turbocharger does all the work. Since it has little work to do at low engine speeds, the Roots blower is large in size and designed for high efficiency. Thanks to TFSI* technology, which combines efficiency and dynamics, all Audi models featuring the new 1.4l 136 kW TFSI engine continue Audi's successful concept of downsizing*.

In the Audi A1, the engine consumes on average just 5.9 litres of fuel per 100 km. Specific power output is 97.8 bhp per litre, yet CO2 emissions are only 139 g/km. Petrol direct injection, the Roots blower and the turbocharger make for a perfect combination. The engine is rated for a high compression ratio of 10.0 : 1. This enhances thermodynamics, resulting in increased power output and economy. The three-door Audi A1 with 1.4l 136kW TFSI engine sprints from zero to 100 kph in 6.9 seconds and has a top speed of 227 kph.

Learning objectives of this Self Study Programme:
In this Self Study Programme you will learn about the technology of the 1.4l 136kW TFSI engine. When you have worked your way through this Self Study Pro-gramme, you will be able to answer the following questions:

  1. How is the basic engine designed?
  2. What are the differences between the 1.4l 136kW TFSI engine and the TFSI engines used previously by Audi?
  3. How does the engine's air supply system work?
  4. What are the points to note when servicing the vehicle?

The Self Study Programme teaches a basic knowledge of the design and functions of new models, new automotive components or new technologies. It is not a Repair Manual! Figures are given for explanatory purposes only and refer to the software version valid at the time of preparation of the SSP. For maintenance and repair work, always refer to the current technical literature. Terms written in italics or indicated by an asterisk are explained in the glossary at the back of this Self Study Programme.

Audi 1.4 ltr. TFSI Engine with Dual Charging Self Study Programme 491 For Free

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