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EGR system – ASE practice questions (VIDEO)
Description
Under what conditions would the EGR system be expected to be operational?
A) Cold engine, full throttle
B) Hot engine, idle
C) Hot engine, full throttle
D) Hot engine, part throttle
More ASE Practice Questions
Troubleshooting Fuel Trim–ASE Practice Questions (VIDEO)
Technician A and Technician B are discussing ways to use fuel trim as a troubleshooting aid. Technician A says that fuel trims that are correcting for a lean condition at high RPM and load conditions indicates a problem in fuel delivery. Technician B says that this condition is caused by a vacuum leak.
Misfire Cause–ASE Practice Questions (VIDEO)
Technician A is diagnosing a misfire. He states that a misfire is caused by a fault in the ignition system and that new plugs and coils will repair the problem. Technician B says that a misfire is detected when the ECM detects a variation in crankshaft speed.
Airbag direction – ASE practice questions (VIDEO)
When placing an airbag on a workbench, which is the safest direction for it to face? We have the answer.
Bump steer – ASE practice questions (VIDEO)
You know what bump steer is. Where does it originate?
Brake drum – ASE practice questions (VIDEO)
What do you check during drum brake service?
Noisy disc brakes – ASE practice questions (VIDEO)
What causes brake noise?
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