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.
1995 Mazda MX-3 AutomaticFACTORY OEM SERVICE PROCEDURE
Engine Performance DTCS
ENGINE PERFORMANCE DTCS
| OEM Code | Description |
|---|---|
| 3 | SGC SIGNAL - DISTRIBUTOR |
| 4 | SGT SIGNAL - DISTRIBUTOR |
| 8 | MASS AIR FLOW SENSOR |
| 9 | ENGINE COOLANT TEMPERATURE SENSOR |
| 10 | INTAKE AIR TEMPERATURE SENSOR - IN MASS AIR FLOW SENSOR |
| 12 | THROTTLE POSITION SENSOR |
| 14 | BAROMETRIC PRESSURE SENSOR |
| 15 | HEATED OXYGEN SENSOR - INACTIVATION |
| 16 | EGR VALVE POSITION SENSOR |
| 17 | HEATED OXYGEN SENSOR - STICKING |
| 25 | PRC SOLENOID VALVE |
| 26 | PURGE SOLENOID VALVE |
| 28 | EGR VACUUM SOLENOID VALVE |
| 29 | EGR VENT SOLENOID VALVE |
| 34 | IDLE AIR CONTROL VALVE |
| 35 | PRC SOLENOID VALVE NO. 2 |
| 41 | VICS SOLENOID VALVE |
Factory Service Tools
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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.