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.
1996 Mazda MPV DXFACTORY OEM SERVICE PROCEDURE
Diagnostic Trouble Code Identification
DIAGNOSTIC TROUBLE CODE IDENTIFICATION
| Code | Definition |
|---|---|
| P0100 | Mass Air Flow/Volume Air Flow Circuit Malfunction |
| P0110 | Intake Air Temperature Circuit Malfunction |
| P0115 | Engine Coolant Temperature Circuit Malfunction |
| P0120 | Throttle Position Circuit Malfunction |
| P0125 | Excessive Time To Enter Closed Loop Fuel Control |
| P0130 | Oxygen Sensor Circuit Malfunction |
| P0134 | Oxygen Sensor Circuit No Activity Detected |
| P0135 | Oxygen Sensor Heater Circuit Malfunction |
| P0140 | Oxygen Sensor Circuit No Activity Detected |
| P0170 | Fuel Trim Malfunction |
| P0300 | Random Misfire Detected |
| P0301 | Cylinder No. 1 Misfire Detected |
| P0302 | Cylinder No. 2 Misfire Detected |
| P0303 | Cylinder No. 3 Misfire Detected |
| P0304 | Cylinder No. 4 Misfire Detected |
| P0305 | Cylinder No. 5 Misfire Detected |
| P0306 | Cylinder No. 6 Misfire Detected |
| P0335 | Crankshaft Position Sensor Circuit Malfunction |
| P0420 | Catalyst System Efficiency Below Threshold |
| P0440 | Evaporative Emission Control System Malfunction |
| P0443 | EVAP System Purge Control Valve Circuit Malfunction |
| P0450 | Evap System Pressure Sensor Malfunction |
| P0500 | Vehicle Speed Sensor Malfunction |
| P0505 | Idle Control System Malfunction |
| P0510 | Closed Throttle Position Switch Malfunction |
| P0703 | Brake Switch Input Malfunction |
| P1000 | Readiness Function Code |
| P1110 | Intake Air Temperature Sensor - Dynamic Chamber |
| P1170 | Front Heated Oxygen Sensor - Inversion |
| P1195 | Barometric Pressure Sensor |
| P1196 | Ignition Switch - Starter |
| P1250 | PRC Solenoid Valve No. 1 |
| P1252 | PRC Solenoid Valve No. 2 |
| P1345 | No SGC Signal |
| P1449 | Canister Drain Cut Valve |
| P1455 | Fuel Gauge Sender Unit |
| P1521 | VRIS Solenoid Valve No. 1 |
| P1601 | ECM-TCM Communication Error |
| P1608 | ECM Malfunction |
| P1794 | Battery |
| P1797 | No P Or N Range Or Neutral/Clutch Switch Signal |
Factory Service Tools
Use the Manual With the Right Hardware
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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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