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 MANUALSTOYOTA1994PREVIA LE, 2TZ-FZE, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)MAINTENANCEPROCEDURESMAINTENANCE REMINDER LIGHT (RESET PROCEDURES)EMISSIONS MAINTENANCE REMINDEREMISSIONS MAINTENANCE REMINDER RESET PROCEDURE
1994 Toyota Previa LE, 2TZ-FZE, AWD
Emissions Maintenance Reminder Reset Procedure
1994 Toyota Previa LE, 2TZ-FZE, AWDSECTION Emissions Maintenance Reminder Reset Procedure
- At 30, 000 mile intervals, a mileage counter activates warning light in dash to indicate oxygen sensor must be replaced. After replacing sensor, reset mileage counter.
- To reset mileage counter, move switch to opposite position. On 1980 Celica Supra, cancel switch (Black) is located on bracket above brake pedal. On Cressida, switch is behind small trim panel next to steering column. On all other models, cancel switch (White) is on top of left kick panel. See Fig 1.
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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.