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 MANUALSMAZDA1995MX-3 L4-1598CC 1.6L DOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSBAROMETRIC PRESSURE SENSORTESTING AND INSPECTION
1995 Mazda MX-3 L4-1598cc 1.6L DOHC
Barometric Pressure Sensor: Testing and Inspection
1995 Mazda MX-3 L4-1598cc 1.6L DOHCSECTION Testing and Inspection
The barometric pressure sensor is located within the engine control module (ECM) and cannot be tested as an individual component. If it is defective, diagnostic trouble code (DTC) No.14 will set in the on-board diagnostic system. If DTC No.14 appears, replace the ECM.
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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.