Fuel Supply & Injection System

Fuel supply, central, multi-point and direct injection, the engine sensors and fault diagnosis

0.0 (0) 0 learners Intermediate العربية 6–7 hours Automotive students and apprentices, mechanics moving to hybrid and electric vehicles, and vocational trainers Dr. Amal Nour

What you'll learn

Describe the components of the fuel supply system
Compare central, multi-point and direct injection systems
Explain how the engine sensors (temperature, reluctance, Hall, air-flow, throttle) work
Diagnose injection faults by symptom and replace injectors and the throttle body
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Curriculum

6 sections · 41 lessons · 6 hours · 1 assessments

Topic 1 · Spark Duration, Fuel Tank Preview 18 min
Topic 1 · psi, Fuel Filter (continued) 5 min
Topic 2 · The Sending Unit, Controlled Fuel Gauge 14 min
Topic 3 · Auxiliary Air Valve, Idle Air Control 13 min
Topic 4 · Intermittent, CFI 10 min
Topic 5 · Getronics, K-Getronics 9 min
Topic 6 · Mono-Jetronic, Motronic 10 min
Stoichiometric mode 5 min
Topic 8 · Thermostats, Volt DC 9 min
Topic 9 · VREF, Variable Reluctance Sensors 9 min
Topic 10 · Hall Effect Sensors, CKP 8 min

ON or OFF) (Switches 9 min
Topic 12 · Variable Reluctance Sensor, Hall Effect Sensor 5 min
Topic 13 · Air Flow Sensors, Vane Air Flow Meter 11 min
Topic 14 · Throttle Position Sensor, TPS 5 min
Topic 15 · Volt, EGR 6 min
Self-Assessment 7 min
Practical Exercise · Pages 32–33 9 min
rear seat cushion 10 min
Practical Exercise · Pages 37–42 26 min
Practical Exercise 5 min

Learning Outcome 2 9 min
Topic 17 · EVAP, EGR 16 min
Topic 17 · Scan tool (continued) 5 min
Topic 18 · Pages 49 5 min
Engine misses under all conditions 9 min
Self-Assessment 5 min
Practical Exercise · Pages 53–58 25 min
Practical Exercise 12 min

Knowledge Test 12 min
Performance Test 9 min
Glossary of Terms 5 min

Key Vocabulary 5 min
Hands-on Activities 5 min
Play & Learn 5 min
Connection to Arab knowledge 5 min
Did You Know? · Wisdom Corner 5 min
Questions to Discuss 5 min

Description

How the engine of a hybrid vehicle is fed with fuel: the tank sender unit and pump, central (CFI), multi-point and direct injection (DI) and the stoichiometric mode, and the sensors that let the engine computer meter the fuel — temperature, magnetic-reluctance and Hall-effect sensors, air-flow, throttle-position and EGR sensors. The unit ends with fault-finding by symptom and replacing injectors and the throttle body.

Safety first: hybrid and electric vehicles carry dangerous high voltage. Practise the procedures only in a training workshop, under a qualified trainer, with insulated gloves and tools, and always follow the manufacturer’s service manual.

Based on the SEG training unit “نظام تزويد وحقن الوقود”. Every page of the unit is shown exactly as printed, with its illustrations; the AI Trainer explains each page with you.

Prerequisites: Electric & Hybrid Vehicle Technology and Vehicle Safety & Protection Systems (recommended).

Your trainer

A
Dr. Amal Nour
Education & Instructional Design
Learning Scientist · Smart Education Academy

Amal designs AI-enhanced curricula and trains teachers to use AI while keeping educators in charge.

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  • 6 hours of content
  • Smart Instructor with cited answers
  • AI-generated practice & adaptive remediation
  • Verifiable certificate of completion
Part of learning paths
Hybrid Car · Engine Systems Hybrid Vehicle Technician · Full Track