Consuming too much fuel - 1992 Daihatsu Charade

There could be several reasons why your Daihatsu Terios is consuming too much fuel. Here are some possible causes and remedies.Driving habits: Your driving habits could be the cause of the high fuel consumption. Aggressive driving, speeding, and rapid acceleration can all increase fuel consumption. To remedy this, try driving more conservatively and avoid sudden stops and starts. Tire pressure: Low tire pressure can increase fuel consumption. Make sure your tires are properly inflated to the recommended pressure levels. Air filter: A dirty air filter can cause the engine to work harder and burn more fuel. Replace your air filter regularly to keep it clean and functioning properly. Fuel injectors: Dirty or clogged fuel injectors can cause the engine to burn more fuel. Have your fuel injectors cleaned or replaced if necessary. Oxygen sensor: A malfunctioning oxygen sensor can cause the engine to burn more fuel than necessary. Have your oxygen sensor checked and replaced if needed. Spark plugs: Worn or dirty spark plugs can cause the engine to run inefficiently and burn more fuel. Replace your spark plugs regularly to keep them functioning properly. It's important to have your vehicle inspected by a qualified mechanic to determine the root cause of the high fuel consumption. By addressing the underlying issue, you can improve your vehicle's fuel efficiency and save money on gas in the long run.

Some possible causes could include:

1. A malfunctioning oxygen sensor: The oxygen sensor measures the amount of oxygen in the exhaust and sends this information to the engine control module. If the oxygen sensor is faulty, the engine may run too rich or too lean, which can result in excessive fuel consumption.
2. A clogged air filter: A clogged air filter can restrict airflow to the engine, causing it to work harder and use more fuel.
3. A faulty fuel pump: If the fuel pump is not working properly, it may not be delivering an adequate supply of fuel to the engine, causing it to consume more fuel in order to compensate.
4. A leaking fuel injector: A leaking fuel injector can allow fuel to escape from the engine, leading to an increase in fuel consumption.

To determine the cause of the excessive fuel consumption in your Mazda Demio, it is best to have it diagnosed by a mechanic. They will be able to perform tests and inspections to identify the problem and suggest the appropriate repairs.

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Unlikely the breaker is faulty, but it is possible.

Most likely the pump is consuming too much current or more current than the breaker is designed to cope with.

A fuel pump is simply a pump driven by a motor that is designed to provide a greater volume of fuel than the engine could ever need right from the initial startup to maximum load and speed. It is the fuel pressure regulator that provides the chosen fuel line pressure and fuel constantly circulates at that pressure therefore the current the pump motor consumes remains constant regardless of the engine speed or load.

Should there be a fuel line blockage, for instance, any healthy pump will be capable of generating a pressure sufficient to burst many types of fuel hose/pipe and it is only when something like that happens or an adjustable fuel pressure regulator is used that is adjusted for a greater than design pressure that the pump will work harder and consume more current.

I suggest you check the fuel line pressure and adjust or replace the regulator if it is significantly higher than specification and then measure the current being consumed by the pump if the breaker is still tripping. If the current is within limits replace the breaker and if the current is excessive you should seek guidance from the people who rebuilt it.

Many possibilities. Incorrect timing. Clogged Air Filter. Dirty fuel. Blocked tank breather. Cracked return line....

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Consuming fuel? You now have poor fuel economy? I would start with a tune up. What year is it? Any check engine lights? Does it idle and drive fine

engine consume lot of fuel.clogged air filter.low tire pressure.faulty emission control device.dirty fuel injectors.heavy foot on accelerator.lot of short stops like driving in the city.running AC will consume gas.high mileage engine low compression assume lots of fuel.slipping transmission.weak ignition.driving up steep grades or mountains burns more fuel.

Poor fuel consumption can be caused by a few things. One being the O2 sensor. You should also check your spark plugs, fuel filter, air filter, and try to find out whens the last time the vehicle had a tune up. Check your tires and make sure they are properly inflated as underinflated tires can make the engine work harder and consume more fuel. A little preventive maintanence goes a long way. Check engine light usually means the computer has detected a problem with the emission control for your vehicle. Have that checked ASAP because the longer you drive with the light on the greater the chances of permanent damage to the ECS.

something must be wrong to use a lot of fuel even if it seems to run smooth,have you had it plugged into a computer to see if there are any codes ? or even an emission test will give a basic idea of whats happening in the engine?