Which of these auto shop courses should I start with?

001
Automotive Engines (5) CSU
Lecture 3 hours. Laboratory 5 hours.
Students examine the automotive engine, including cooling and lubrication systems. Students overhaul engines in the laboratory, including boring, pin-fitting, measuring, valve seat replacement, valve grinding and other engine rebuilding procedures.

002
Suspension Brakes and Power Systems (5) CSU
Lecture 3 hours. Laboratory 5 hours.
Introduces wheel, brake and suspension systems and service including instruction on power brakes, power steering systems, and anti-lock braking systems. Provides training and supervised repair on automobiles under actual shop conditions.

003
Engine Diagnosis and Tune-Up (5) CSU
Lecture 3 hours. Laboratory 5 hours.
Students learn about the theory and maintenance of engines including engine diagnosis and engine performance tune-ups. This course provides a working understanding of automotive fuel systems, ignition systems, starting systems, charging systems, and emission control systems. Laborator y work will include understanding, diagnosing, and repairing engines and related electrical, fuel, and emission systems to improve engine performance. Includes practice with the latest
diagnostic equipment.

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1994 Ranger V6 4.0L 4x4 with 208,000+ miles.

I’d start with power systems


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2004 ranger 4.0L edge