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 MANUALSMAZDA20105 SPORT, 2.3 L, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEENGINE CONTROL SYSTEMSENGINE CONTROL SYSTEM [L3]BAROMETRIC PRESSURE (BARO) SENSOR INSPECTION
2010 Mazda 5 Sport, 2.3 L, Standard
Barometric Pressure (BARO) Sensor Inspection
2010 Mazda 5 Sport, 2.3 L, StandardSECTION Barometric Pressure (BARO) Sensor Inspection
NOTE:
- Perform the following inspection only when directed.
- The following vacuum values are indicated by relative pressure from the PCM. (See PCM REMOVAL/INSTALLATION .)
- Connect the M-MDS to the DLC-2.
- Turn the ignition switch to the ON position.
- Select BARO 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 .)
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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.