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 MANUALSVOLVO1987240 DL, 4D SEDAN, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)MAINTENANCEPROCEDURESMAINTENANCE REMINDER LIGHT (RESET PROCEDURES)EMISSIONS MAINTENANCE REMINDEREMISSIONS MAINTENANCE REMINDER RESET PROCEDURE
1987 Volvo 240 DL, 4D Sedan, Standard
Emissions Maintenance Reminder Reset Procedure
1987 Volvo 240 DL, 4D Sedan, StandardSECTION Emissions Maintenance Reminder Reset Procedure
- Oxygen Sensor Warning light in dash will illuminate every 30, 000 miles as a reminder to replace oxygen sensor. After replacing sensor, reset mileage counter.
- To reset mileage counter on 1980-84 models, locate mileage counter in-line with speedometer cable. Press reset button. See Fig 1. Ensure reminder light is out.
- To reset counter on 1985 models and 1986 760 GLE models, locate unit under dash (follow wires or small cable from back of speedometer to unit). Remove retaining screw and switch cover. Press reset button. Ensure reminder light is out. Install switch cover.
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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.