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.
1997 Ford Probe Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Catalyst Monitor Repair Verification Drive Cycle
- Refer to and complete the vehicle check and preparation before initiating the following repair verification steps. See VEHICLE CHECK/PREPARATION .
- Start the engine and drive the vehicle for 25 minutes:
- Drive in stop-and-go traffic for 20 minutes, include 6 different constant speeds between 25 and 45 MPH (40 and 72 km/h).
- Drive on expressway or highway for an additional 5 minutes.
- Repeat quick test. See QUICK TEST .
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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