Volkswagen Passat W8 Specifications download pdf (Page 46)

Test Your Knowledge

1. The engine control unit receives the signal for engine load from

a. the lambda probes.

b. the air mass meter.

c. the accelerator pedal module.

2. Which tasks does the secondary air system perform?

a. It elevates exhaust emissions during the cold start phase.

b. It ensures that the engine operates with excess air.

c. The secondary air system increases performance in the partial-load range.

d. Secondary air injection brings the catalyst up to operating temperature more quickly.

3. What is the task of the brake servo pressure sensor G294?

a. The signal identifies faults in the brake system.

b. In brake systems with ESP, the pressure sensor is screwed directly into the hydraulic unit and

measures the current pressure in the brake system.

c. The pressure sensor measures the momentary pressure at the connection for the brake servo.

4. The coolant temperature is regulated using a map stored in the engine control unit.

The coolant temperature in any engine operating mode

a. is measured by a temperature sender and transmitted to the engine control unit.

b. is measured by two temperature senders and transmitted to the engine control unit.

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Volkswagen Passat W8 Specifications Page 46