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.
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HOMESERVICE MANUALSMAZDA2013MX-5 MIATA GRAND TOURING, AUTOMATIC TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEENGINE CONTROL SYSTEMSBAROMETRIC PRESSURE (BARO) SENSOR INSPECTION
2013 Mazda MX-5 Miata Grand Touring, Automatic Trans
Barometric Pressure (BARO) Sensor Inspection
2013 Mazda MX-5 Miata Grand Touring, Automatic TransSECTION Barometric Pressure (BARO) Sensor Inspection
NOTE:
- Before performing the following inspection, make sure to follow the procedure as indicated in the troubleshooting flowchart. (See HOW TO USE THIS SERVICE INFORMATION ).
- Connect the M-MDS to the DLC-2.
- Turn the ignition switch to the ON position.
- Select BARO PID on the M-MDS.
- Verify that the BARO PID (pressure) and barometric pressure are practically equal.
- If not as verified, replace the PCM. (See PCM REMOVAL/INSTALLATION ).
RENDER: 1.0x
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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.