CHAPTER 23

Supercharging and Turbocharging

Learning Objectives

• 23-01 Understand why forced induction is used on internal combustion engines (ICEs).
• 23-02 Discover the application of superchargers on ICEs.
• 23-03 Analyze the use of turbochargers on ICEs.
• 23-04 Investigate the boost control features on a turbocharged engine.
• 23-05 Isolate the cause of turbocharger failure.
• 23-06 Inspect forced induction systems for faults.
• 23-07 Differentiate VGT/VNT diagnosis from conventional turbocharger diagnosis.

ASE Education Foundation Tasks

See Appendix A to view the 2017 ASE Education Foundation Automobile Accreditation Task List Correlation Guide.

You Are the Automotive Technician

A 2015 Ford F-150 with an EcoBoost engine comes in with a blue-smoke complaint and low power. After scanning the vehicle, the scan tool comes back with a P0299 turbocharger underboost condition. The customer also has a complaint about the truck not always having full power. Which area should you look at first?

1. The oil level and pressure.
2. The air filter.
3. Whether enough fuel is in the fuel tank.