Section 249 (Symptom Troubleshooting [Engine Control System 13B-MSP))
WARNING: This page is about a different car, the 2004 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
- Foreword
- Intermittent Concern Troubleshooting
- Engine Symptom Troubleshooting
- Quick Diagnostic Chart
- No. 1 Melting Of Main Or Other Fuses
- No. 2 Mil Comes On
- No. 3 Will Not Crank
- No. 4 Hard To 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/Detonation-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 Is Always On Or 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 Spark Plug Condition
- Engine Control System Operation Inspection
- Input Signal System Investigation Procedure
- Notes
- Finding Unusual Signals
- Locating The Source Of Unusual Signals
- Investigate The Standard Power Supply System For Hall Or Piezo-Electric Type
- Investigate The GND System For Hall Or Piezo-Electric Type
- Hot Wire Type (Fuel Tank Level Sensor And Mass Air Flow (MAF) Sensor)
- Investigate The GND System For Hot Wire Type
- Investigate The Input Signal System For Hot Wire Type
- Investigate The Electrical Supply System For Hot Wire Type
- Thermistor Type (IAT Sensor And ECT Sensor)
- Investigate The Input Signal System For Thermistor Type
- Investigate The Gnd System For Thermistor Type
- Main Relay Operation Inspection
- Intake Manifold Vacuum Inspection
- Drive-by-wire Control System Inspection
- Variable Dynamic Effect Intake-Air (VDI) Operation Inspection
- Secondary Shutter Valve (SSV) Operation Inspection
- Auxiliary Port Valve (APV) Control Inspection
- Fuel Injector Operation Inspection
- Fuel Pump Operation Inspection
- Fuel Pump Control System Inspection
- Fuel Pump Speed Control Operation Inspection
- Spark Test
- Cooling Fan Control System Inspection
- Secondary Air Injection (AIR) System Inspection
- Metering Oil Pump Control Inspection
- Purge Control System Inspection
- A/C Cut-off Control System Inspection
- Variable Fresh Air Duct (VFAD) Control System Operation Inspection (13B-MSP (High Power))
- Evaporative System Test
- Rotor Balance Test
- Input Signal System Investigation Procedure