Engine Controls - Basic Diagnostic Procedures

• Introduction
• Preliminary Inspection & Adjustments
  • Visual Inspection
  • Mechanical Inspection
    • Compression
    • Exhaust System Backpressure
• Fuel System
  • Preliminary Checks
    • Notes
    • Engine Does Not Crank
    • Engine Cranks But Will Not Start
  • Fuel Pressure Release
    • Except B2300, B3000, B4000 & Tribute 3.0L
    • B2300, B3000, B4000 & Tribute 3.0L
  • Fuel Pressure (Except B2300, B3000, B4000 & Tribute)
    • Fuel Pressure Hold Inspection
    • Fuel Line Pressure Inspection
    • Fuel Pump Inspection
    • Fuel Pump Hold Pressure Inspection
    • Fuel Pump Maximum Pressure Inspection
    • Fuel Pump Relay Inspection (Miata)
    • Fuel Pump Resistor & Relay (Millenia 2.3L)
    • Fuel Pump Relay Inspection (Millenia 2.5L, Protege, Protege5 & 626)
    • Fuel Pump Relay Inspection (MPV)
    • Fuel Pressure Regulator Inspection
    • Injector Fuel Leakage Inspection
  • Fuel Pressure (B2300, B3000, B4000 & Tribute)
    • Fuel Pressure Inspection
    • Fuel Pressure Hold Inspection
    • Fuel Pressure Regulator Inspection
    • Fuel Pump Inspection
    • Injector Fuel Leakage Inspection
• Ignition Checks
  • Notes
  • Except B2300, B3000, B4000 & Tribute
    • Spark Check
    • Camshaft Position Sensor (Miata)
    • Camshaft Position Sensor (Millenia 2.3L)
    • Camshaft Position Sensor (Millenia 2.5L)
    • Camshaft Position Sensor (MPV)
    • Camshaft Position Sensor (Protege & Protege5)
    • Camshaft Position Sensor (626 2.0L)
    • Camshaft Position Sensor (626 2.5L)
    • Crankshaft Position Sensor Resistance (Except Miata)
    • Crankshaft Position Sensor Air Gap (Except MPV)
    • Ignition Coil Operation Inspection (Miata, Protege & Protege5)
    • Ignition Coil Resistance (Miata, Protege & Protege5)
    • Ignition Coil Resistance (Millenia 2.3L)
    • Ignition Coil Resistance (Millenia 2.5L)
    • Ignition Coil Resistance (MPV)
    • Ignition Coil Resistance (626)
    • Ignition Control Module (Millenia)
  • B2300, B3000, B4000 & Tribute
    • Notes
    • Spark Check
• Idle Speed & Ignition Timing
• Summary