hi , depends on the manufacturer , iwork at a main dealer and the latest petrol engine models have spark plugs replaced at 36000 miles were as earlier models ranged between 12000 and 20000
hi , i have a near identical problem with my brittany 80 boiler, when hot water is called for the system works for about 10 seconds and then clicks out , the red warning light does not illuminate although if the reset is pressed the system works again for about the same time period , the same...