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 MANUALSMAZDA1995626 L4-1991CC 2.0L DOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSDESCRIPTION AND OPERATIONSUB-SYSTEM DESCRIPTIONSMANUAL TRANS.EMISSION CONTROL SYSTEM
1995 Mazda 626 L4-1991cc 2.0L DOHC
Emission Control System
1995 Mazda 626 L4-1991cc 2.0L DOHCSECTION Emission Control System
STRUCTURAL VIEW
The following systems are employed to reduce CO, HO, and NOx emissions.
1. Exhaust gas recirculation.
2. Positive crankcase ventilation (PCV) system
3. Fuel evaporative system
4. Three way catalytic converter
RENDER: 1.0x
NO RELATED
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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.