Section 421 (Symptom Troubleshooting (Engine Control System) AJ)
WARNING: This page is about a different car, the 2005 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
- Control System Device And Control Relationship Chart
- Foreword
- Intermittent Concern Troubleshooting
- Symptom Diagnostic Index
- Symptom Quick Diagnosis Chart
- No.1 Melting Of Main Or Other Fuses
- No.2 Mil Comes On
- No.3 Will Not Crank
- No.4 Hard Start/Long Crank/Erratic Start/Erratic Crank
- No.5 Engine Stalls-After Start/At Idle
- No.6 Cranks Normally But Will Not Start
- No. 7 Slow Return To Idle
- No.8 Engine Runs Rough/Rolling Idle
- No.9 Fast Idle/Runs On
- No.10 Low Idle/Stalls During Deceleration
- No.11 Engine Stalls/Quits, Engine Runs Rough, Misses, Buck/Jerk, Hesitation/Stumble, Surges
- No.12 Lack/Loss Of Power-Acceleration/Cruise
- No.13 Knocking/Pinging-Acceleration/Cruise
- No.14 Poor Fuel Economy
- No.15 Emission Compliance
- No.16 High Oil Consumption/Leakage
- No.17 Cooling System Concerns-Overheating
- No.18 Cooling System Concerns-Runs Cold
- No.19 Exhaust Smoke
- No.20 Fuel Odor (In Engine Compartment)
- No.21 Engine Noise
- No.22 Vibration Concerns (Engine)
- No.23 A/C Does Not Work Sufficiently
- No.24 A/C Always On/A/C Compressor Runs Continuously
- No.25 A/C Does Not Cut Off Under Wide Open Throttle Conditions
- No.26 Exhaust Sulphur Smell
- No.27 Fuel Refill Concerns
- No.28 Fuel Filling Shut Off Issues
- No.29 Constant Voltage
- No.30 Spark Plug Condition
- Engine Control System Operation Inspection
- Input Signal System Investigation Procedure
- Intake Manifold Vacuum Inspection
- Idle Air Control Inspection
- Intake Manifold Communication Control (IMCC) System Inspection
- Fuel Injector Operation Inspection
- Ignition Timing Control Inspection
- Fuel Cut Control System Inspection
- Fuel Pump Operation Inspection
- Fuel Pump Control System Inspection
- EGR Control System Inspection
- Purge Control System Inspection
- A/C Cut-off Control System Inspection
- Spark Test
- Evaporative Emission (EVAP) System Leak Inspection