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.
1978 Renault R17FACTORY OEM SERVICE PROCEDURE
Exhaust Emissions System - Catalytic Converters: Testing: Notes
- Check converter for external damage such as cracks, heat damage or buckling. Replace if any damage is evident. If CO% levels are not to specification after proper procedures have been followed, converter is defective and must be replaced.
- If converter overheats and temperature warning and protection system does not activate, check sensor, relay, solenoid valve and connecting wiring for defects and replace parts as necessary.
Factory Service Tools
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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.