What is TFSI cylinder on demand?
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What is TFSI cylinder on demand?
The “cylinder on demand” system is ready to operate all the time, even in the S mode of the automatic transmission or the dynamic setting of Audi drive select. It saves the most fuel when the car is driven steadily at a moderate speed, in the manner customary on many main roads. ANC and active engine mounts.
Is the Audi A1 1.4 TFSI fast?
The 1.4-litre TFSI Sport models offer the best balance of fuel economy and performance: the more powerful car does 0-62mph in only 7.8 seconds, while the 1.6-litre diesel completes the same sprint in 9.4 seconds.
Which Audi A1 has cylinder on demand?
The Audi A1 and Audi A3 are now available with a 1.4-litre petrol engine that features cylinder-on-demand fuel-saving technology. The 138bhp four-cylinder petrol engine deactivates two cylinders (when driving under light loads, such as periods of motorway cruising) to improve fuel economy.
Which Audi has cylinder deactivation?
Audi has three gasoline engines equipped with its cylinder-on-demand (COD) technology (cylinder deactivation): the 1.4 TFSI COD, the 4.0 TFSI COD and now also the 12-cylinder W12 COD in the new Audi A8 L. (Earlier post.)
What engine is in the Audi A1 1.4 TFSI?
Engine
| Engine Size | 1395cc |
|---|---|
| Fuel Type | Petrol |
| Transmission | Manual |
| Gearbox | 6 Speed |
| Drivetrain | Front wheel drive |
What is cod on Audi A1?
The COD system is ready to engage all the time as Audi has developed a control logic that monitors driving conditions and behavior. When the driving conditions are correct, the system confirms that COD is activated by showing an indicator light in the instrument cluster.
How does cylinder deactivation work?
Cylinder deactivation effectively decreases the displacement of the engine by closing the intake and exhaust valves and cutting fuel injection for a particular cylinder. The pistons in the deactivated cylinders compress the trapped gases and are pushed back down, thus expending zero net work.
Does Audi a4 have cylinder deactivation?
According to Auto Motor und Sport, the car will use cylinder deactivation technology under its belt. Versions version of the 1.4-liter found in the Polo BlueGT could produce anywhere from the 122 PS to 180 PS. It’s known that cylinder deactivation alone can cut fuel consumption by as much 0.5 L/100km.
What is Audi TFSI CoD?
The term CoD associated this engine stands for “cylinder on demand”. It means that two of the engine’s four cylinders shut down when only a small amount of power is required, such as in slow traffic or even when maintaining cruising speed.
How much gas does cylinder deactivation save?
A CDS shuts down half of the engine’s cylinders when only a small amount of the engine’s power is needed, such as when the vehicle is moving at a constant speed on a level road, decelerating or going downhill. A CDS can reduce fuel consumption by 4 to 10%, saving you money and reducing your impact on the environment.
Is TFSI direct injection?
Audi TFSI® Engine The TFSI (Turbo fuel stratified injection) is the world’s first turbocharged direct injection engine. This system produces higher power output and optimum engine response, all while providing greater fuel efficiency and reduced emissions.
