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86 Instruments and controls Because of the fuel remaining in the tank, the top-up quantity may be less than the specified tank capacity. Fuel selector Liquid gas operation, LPG Pressing LPG switches between petrol and liquid gas operation as soon as the required parameters (coolant temperature, gas temperature and minimum engine speed) have been reached. The requirements are usually fulfilled after approximately 60 seconds (depending on exterior temperature) and the first firm press on the accelerator. The LED status shows the current operating mode when egnine is running. LED flashes : checking conditions for fuel transition to liquid gas operation. Illuminates if conditions are fulfilled. LED illu‐ minates : liquid gas operation LED flashes five times and extin‐ guishes : liquid gas tank is empty or failure in liquid gas system. A message is displayed in the Driver Information Centre. The vehicle is in petrol operation. The selected fuel mode is stored and reactivated at the next ignition cycle if conditions allow. empty, a warning message is displayed in the Driver Information Centre and the LED in the button flashes rapidly. Petrol operation is automatically engaged. When switching automatically between petrol or gas operation, a brief delay of engine tractive power may be noticeable. engine will not start. down until control indicator Y illuminates, then refuel. This helps maintain fuel quality and system function for petrol operation. intervals to prevent corrosion in the tank. Faults and remedies If gas mode is not possible, check the following: ● Is there enough liquid gas present? ● Is there enough petrol present for starting? Due to extreme temperatures in combination with the gas composition, it may take slightly longer before the system switches from petrol to gas mode. |