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All of the following statements are true EXCEPT:


A) engines with computer feedback have a sensor located in the exhaust manifold called an oxygen sensor.
B) in a feedback fuel system, the computer acts to make corrective changes to the air-fuel mixture entering the engine's cylinders.
C) actuators relay information to the computer about throttle position, air and coolant temperature, airflow, manifold pressure, and barometric pressure, among others.
D) feedback carburetors were used on some older cars.

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A(n) ____________________ controls the system's maximum amount of pressure.

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fuel press...

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Modern diesel engines have been mandated to have exhaust emissions that are nearly free of particulates.

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The term MOST-Likely used to describe an event that occurs when the engine reaches operating temperature and the computer starts acting on information received from the O2 sensor is:


A) closed loop fuel control
B) open loop fuel control
C) ground fuel control
D) filter fuel control

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What is the difference between a heated resistor MAF sensor and a hot wire MAF sensor?

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A heated resistor airflow sensor has a r...

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