Luis Martin,
Yo también tengo un Range Classic NAS. La luz que vos mencionás es de color rojo y dice "Service Engine" es justamente para "Recordarle" al usuario que haga revisar las emisiones del vehículo. Se enciende cada 52.000 millas para recordar este tema y viene solo en las versiones NAS.
La forma convencional de apagarlo es desde la computadora del Service Oficial.
Hay un procedimiento para apagarlo sin utilizar la computadora que describen en
www.RangeRovers.net
The "Service Engine" light, located on the auxiliary switch panel, was first introduced in the 1988 model year, and for 1988-92(?) models merely reminds you that your vehicle has reached a certain mileage and should have its emissions systems checked. It is otherwise known as an "<b>emissions maintenance reminder", and is designed to come on at 52,000 mile intervals</b> (52,500, 105,000, etc.). It does not indicate any fault in the engine. In 1993(?) it was renamed the "Service Engine" light and performed the same function.
The light is controlled by a small brown box that looks like a relay, about one inch by two inches, with a sticker labeled "Emission Maintenance Reminder". On 1988 models it is under the lower dash panel, attached to the steering column support bracket along with some relays. On 1989 it was moved to a position under the passenger seat along with the relays behind the EFI ECU. There is a hole in the box, under the sticker, into which a small screwdriver can be inserted to connect two contacts and reset the light.
Espero que te sirva. lo importante es que es solo un recordatorio pero no indica ningun que exista un problema.
La luz que indica problemas de la inyección o de los sensores de oxígeno es de color amarillo o ambar y dice "Check Engine".
Saludos,
Alberto
Alberto Brein
Land Rover Santana Series 3 88 Soft Top 1981
Range Rover Classic County LWB V8 4.2 1995