Fuel Injection System - BOSCH LH (Non Turbo)

• Description
  • Notes
  • Electronic Control Unit (Ecu)
  • Fuel System
  • Injectors
  • Fuel Pump Relay
  • Sensors
    • Air Mass Meter
    • A/C Micro Switch
    • Oxygen Sensor
    • Throttle Valve Switch
    • Coolant Temperature Sensor
    • Engine Speed
• Adjustments
  • Hot (Slow) Idle Rpm & Idle Mixture
  • Throttle Valve
  • Throttle Valve Switch
  • Throttle Link Rod
• Testing
  • Fuel Line Pressure/Pressure Regulator
  • Electronic Control Unit (Ecu)
  • Current Supply Check
  • Test Circuit Check
  • Starter Motor Circuit
  • Fuel System Relay Power Supply Check
  • Shielding Wire Check
  • Ground Circuits (Using An Ohmmeter)
  • Ground Circuits (Using A Test Light)
  • Injector Circuits
  • Temperature Sensor Circuit
  • Throttle Switch
  • A/C Microswitch
  • Air Mass Meter Circuit
  • Air Control Valve Check
  • System Function Check
  • System Check
• Trouble Shooting
  • Preliminary Checks
  • Trouble Symptoms
    • Engine Difficult to Start or Will Not Start Cold
    • Engine Difficult to Start or Will Not Start Hot
    • Poor Cold Idle/Warm-Up
    • Poor Hot Idle
    • CO Level Too High
    • CO Level Too Low at Idle
    • Poor Engine Performance
    • Excessive Fuel Consumption
    • Engine Run-On
    • Engine Backfires Into Manifold
• Wiring Diagrams