Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1992 Mazda MX-5 Miata AutomaticFACTORY OEM SERVICE PROCEDURE
Engine Controls - Tests W/Codes
- Introduction
- Self-Diagnostic System
- Summary
- Trouble Code Identification Charts
- Trouble Code Identification Table
- Trouble Codes
- Code 2: (Ne Signal - Crank Angle)
- Code 3: (G Signal - Crank Angle)
- Code 8: (Airflow Meter)
- Code 9: (Coolant THERMOSENSOR)
- Code 10: (Intake Air THERMOSENSOR)
- Code 12: (Throttle Sensor - A/T)
- Code 14: (Atmospheric Pressure Sensor)
- Code 15: (Oxygen Sensor)
- Code 17: (Feedback System)
- Code 26: (Purge Control Solenoid Valve)
- Code 34: (Idle Speed Control)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
