Foolishly,I let my fuel level drop to about 50 litres and the system has cut out (warning light showing). I've ordered more fuel, but I would like to know if this is inherently bad for the boiler (with the likelihood of a possible blockage that will need expert attention), or whether the system should start up again when the fuel arrives.
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Re: fuel oil level extremely low: possible problems?
After your fuel tank is refilled let it set if possible for solids to settle. In the line near the tank is a fuel filter. This fuel filter should be changed regularly, normally annually. The air must be vented from the fuel filter though vent screws located on top of fuel filter. Do not remove the screws completely as air will vent as they are loosened. At the burner oil pump is a vent to which you can slip on a 1/4 inch hose and direct into a container. On burner start up loosen the vent at the oil pump and observe oil going into container. When solid stream of oil is seen close the vent. The vent looks like a grease fitting on an auto.
follow these instructions: One problem that can occur is the nozzle for the burner sometimes becomes plugged if solid particles make their way to it under low oil conditions. If this becomes the case you should have a heating service tech change the nozzle and fuel filter. However try the venting procedure first. You just may be O.K.
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It sounds like your outboard was originally oil injected, having a separate oil tank that supplied the 2stroke oil to the motor,....but a lot of people disconnect the oil injection systems due to a fear of it failing (sometimes justified, mostly not).
When the oil injection is disabled/disconnected, all that happened was the separate oil tank and hoses were removed, and the oil instead simply added and mixed with the fuel at the nominal 50:1 ratio.
Your problem sounds like one of 2 warning systems that were part of the injection system, warnings intended to inform you that the oil tank level was getting critically low!
These need to be bypassed when an oil injection system is removed from an outboard. For example, many Mercury and Mariner outboards had a simple float switch in the oil reservoir located under the cowling next to the motor. If the level got low, the float dropped, and a magnetic reed switch closed, which operated the warning buzzer inside the control box. Loud as fark normally.
So if the engine has been fine, running premixed oil/fuel for years and just started showing these warnings, one of the bypassed level switches has been triggered, so if you can determine where it was connected on your motor, and how it was bypassed so to always give a "full" signal, it is likely that your problem will be very obvious to anybody remotely familiar with marine engines.
I have a mini cooper and every so often symbols come on when I first start up the car. Evidently this is the only time these symbols come on (versus staying on if there is a problem) which is a hassle, because its hard to remember what they are. But here is a list I found to help other Mini drivers like myself:
Oil Pressure Warning Light. This symbol light usually is turned on when the ECU of the car detects any problem with the oil pressure. It usually indicates that the engine oil level is too low. Solution: Stop the car immediately, switch off the engine, and wait until the engine is cool down, top up the engine oil if the level is low. If the light is still on, consult any mechanic. P/S: This light is usually on when you switch on the ignition and it should be gone as soon as the engine starts.
Battery Charge Warning Light. If the light is on during the car is running, it indicates that the car batteryis not charge. It could be some faulty of the charging system. Solution: Consult any mechanic.
Brake System Warning Light. If the e-brake or handbrake is engaged, the light will on. If the light remains illuminated after the handbrake is released, it may indicate brake fluid level is low. If the fluid level is correct, it may be the sensor fault.
ABS Warning Light. If the light is on while driving, it indicates a malfunction of the ABS system.Solution: Consult a mechanic as soon as possible.
Warning light - Unidentified problem. Computer or ECU in the car sometimes hardly knows what the problem is. It usually indicates the car needs to be serviced.
Engine Warning Light/OBD Indicator. You can always see this symbol in mostthe cars. If the light is on, it indicates that the car should be serviced. It could probably the engine malfunction or some other problems related to the car engine.
Low Fuel. It's LOWWWWWWWWW FUEL, Please refill!
High Beam Light. This symbol light is on when the driver turn on the high beam mode of the headlights. If the light is on when high beam is off, it could be the sensor's fault.
Windshield Wash Symbols. Most of the new car has windshield wash, therefore this icon is common for most of the cars. The symbol notifies the driver when the windshield wipers are activated.
Windshield Defrost. It is turned on once the driver presses the windshield defrost button.
Fuel Filter Water Trap. This symbol is normal but ONLY for diesel engines car. If the light is on while driving the car, it indicates water is detected in the fuel filter. Solution: It is usually safe to drive the car but have to get the water in the fuel filter drained off as soon as possible.
Temperature Warning Light. The symbol looks like a thermometer. It warns the driver that the engine is overheating. Solution: Find a safe place and stop the car immediately.
Fog Beam Indicator. This is pretty basic and pretty simple. If the fog beam is on, the symbol illuminates.
ORIGINAL SOURCE ARTICLE:
Symptoms of a bad or failing Engine Oil Pressure Sensor
Oil Pressure Light comes on, and you check the engine oil level, But oil level is okay, you can blame the false reading on the sensor.
Oil Pressure Light blinking constantly. This is the normal >check< oil pressure sensor Warning that the sensor is going out.
If the sensor is giving false readings, Dispite oil level, the sensor could be replaced.
If the Sensor is currently not working, and does not warn you of engine oil level, and oil level gets extremely low, The Engine could burn up/stall due to lack of oil, and may not restart. Then you could probably blame it on the sensor. But really would be lack of oil.
Intermittent No Start,
Common causes deal with 3 basic systems/areas of engin
Compression, its the build up of air and fuel into the engines cylinders. Then is compressed by the pistons. And is under pressure. FAILURE An Air leak (vacumm leak) will allow pressure to escape.
Ignition System, good battery, good relays, wires are not loose or disconnected, good 10volts to starter, 10volts to distributer>gives 20kvolts to spark plugs>has strong spark to ignite compressed air in cylinders. Other sensors need to work. Crankshaft sensor(ccs) Throttle Position Sensor(TPS), +more
Air/fuel Ratio, Air Intake Manifold, and Fuel Pressure Sensor *Fuel Injection Pressure Sensor---if car is fuel injected*, air filter is clean and intake manifold hose, Throttle Plate Acuater, Idle Air Contro Valve(IAC). Also vacumm leak cause no start. To much air not enough fuel will cause lean fuel mixter==low power, low idle, no start.......To much fuel not enough air will cause rich fuel mixter==too much fuel could cause engine knock, flooding of engine wet spark plugs, No Start
Scan Vehicle computer for Codes, Places like AutoZone---Discount AutoParts will connect scanner for free, And Code Will say What is wrong with Vehicle,
The oil warning light has nothing to do with oil level. That is not the way this warning system works. The warning light comes on when the oil PRESSURE drops too low as determined by an oil pressure switch installed on the engine. So you could have low oil on the dip stick but still have enough oil to maintain oil pressure in the engine. It is also possible that the oil pressure sensor is faulty. This probably is not connected to the vehicle cutting out when passing the truck. That could be something as simple as a dirty fuel filter or clogged injector. Since you are losing oil there are a variety of problems that your engine could be having.
That depends on the type of oil warning light being displayed. There are 2 types of warning lights
1. Low oil pressure light which all cars have
2. low oil level light which some cars have.
Low OIL PRESSURE warning means the oil pressure is below minimum and when this happens there will be insufficient lubrication of many engine parts because sufficient oil cannot get to all parts of the engine it is required to lubricate. Until the cause is identified and rectified the warning light will remain. If you run your engine with low oil pressure you will cause expensive damage to internal engine components.
Low OIL LEVEL warning means the oil in the sump has dropped to a dangerously low level (which may be due to an oil leak or abnormal oil consumption by the engine.) This warning means the oil level needs to be topped up and the warning will stay displayed until you top up the oil. Running the engine with low oil will cause expensive engine damage.
Since it is a 2 minute job, Oil levels should be checked fortnightly as a minimum, together with radiator coolant and power steering fluid levels, if you run the car most days each week as most people do.
It is possible for a warning light to remain displayed when the cause has been dealt with because there is a problem with the sender unit. However it needs to be established with alternative checks that the problem has been fixed before investigating if there is a problem with the warning light itself.
You may have contaminated fuel i.e. water in the tank mixing with fuel causing poor performance and excessive white smoke. If it is a carburettor bike the carb may need a service... Oil does drop slightly on some bikes but it depends how much its dropping by. If its like half a litre or more you may have trouble ahead. Get it looked at!!
No, it does not. It has an oil level light, and an oil pressure gauge, but no "kill" switch, as that would be extremely unsafe to have your engine cut out in traffic with no warning.
Can you describe the problem you are having?
Oil light relates to oil pressure, not oil level. If engine has not been rebuilt, it is safe to assume that it is nearing the end of its life. Low oil pressure light goes off on increased rpm´s , and hence, pressure goes up. You can extend the life a little bit by switching to heavy oils, such as 20W-50, but eventually it also wont be enough, and will start fouling the plugs. Check the oil level, because extremely low levels of oil can also produce a low pressure warning.