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 929FACTORY OEM SERVICE PROCEDURE
Engine Controls - Tests W/Codes
- Introduction
- Self-Diagnostic System
- Trouble Code Identification Charts
- Trouble Codes
- Code 2: Crankshaft Position Sensor - Ne2 Signal
- Code 3: Distributor G Signal
- Code 4: Distributor Ne2 Signal
- Code 5 & 7: Knock Sensor
- Code 6: Speedometer Sensor
- Code 8: Airflow Meter
- Code 9: Coolant THERMOSENSOR
- Code 10: Intake Air THERMOSENSOR-Airflow Meter
- Code 11: Intake Air THERMOSENSOR-Dynamic Chamber
- Code 12: Throttle Sensor
- Code 14: Atmospheric Pressure Sensor
- Code 15 & 23: Left Or Right Side Oxygen Sensor
- Code 16: EGR Position Sensor
- Code 17 & 24: Left Or Right Side Feedback System
- Code 26: Purge Control Solenoid Valve
- Code 28: EGR Vacuum Solenoid Valve
- Code 29: EGR Vent Solenoid Valve
- Codes 30: Cold Start Injector Relay
- Code 34: Idle Speed Control
- Code 36 Or 37: Left Or Right Oxygen Sensor Heater Relay
- Code 41: Variable Resonance Induction System
- Code 65: A/C Input Signal
- Summary
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:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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