This warning light could mean that the drain is blocked and the system can’t empty itself. … Don’t ignore this warning light or the system will fill with water and start leaking it to the engine. Once the water has been drained from the filter, this warning light should go out on its own.
Why do you drain your fuel filter?
The buildup of water stops the fuel filter from separating out the bad particles in your fuel. … Water buildup in the water separator that isn’t drained will cause corrosion to the housing. This corrosion will spread to different parts of your fuel system including the engine.
When should I drain my fuel water separator?
You should drain water from the module assembly whenever the warning light illuminates or a message appears in the information display advising you to drain the water separator. This occurs when approximately 6.76 fl oz (200 ml) of water accumulates in the module.
What happens to a car if the fuel filter is clogged?
A clogged fuel filter causes low fuel pressure that results in a lean fuel condition and engine misfire. This can result in poor fuel mileage, rough idling and possibly cause the check engine light to come on.
Can you drive with fuel filter light on?
Is it safe to drive with the fuel filter warning light on? While it’s not an emergency when the light first comes on, it is important that you get the filter drained as soon as possible. Waiting too long will let the water build up and eventually let it get to your engine where it can cause some serious damage.
How do you know when it’s time to change fuel filter?
5 Signs that You Need to Replace Your Fuel Filter
- Car Has Difficulty Starting. This could be a sign that your filter is partially clogged and on its way to being completely dammed up.
- Car Won’t Start. …
- Shaky Idling. …
- Struggle at Low Speeds. …
- Car Dies While Driving.
How can you tell if you have water in your gas tank?
What are the symptoms of water in the gas tank? A good indicator is a sudden change in the performance of your vehicle. You try to accelerate and the car hesitates or sputters consistently. You try to get up to highway speeds and the car just doesn’t want to cooperate.
What happens if you don’t change your fuel water separator?
If your engine is not getting fuel, it simply will not run. Difficulty starting – Vehicles that are hesitant to start may have a moderately clogged filter and if not replaced soon, the vehicle will fail to start at all. Fuel pressure in fuel injected engines is hindered when the fuel filter is blocked.
Should fuel water separator be full?
Should You Pre Fill A Boat Fuel Filter or Water Separator? Yes, pre-filling a boat’s fuel filter or water separator is a great habit. You won’t cause any harm to the engine and it will make your engines fuel lift pumps job much easier. This eliminates the introduction of a large amount of air into the fuel system.
How often should I change my lift pump filter?
All vehicles should come with a maintenance guide telling owners when certain parts should be replaced. And while most diesel fuel filters should be replaced every 10,000 to 25,000 miles, it could vary depending on how frequently the vehicle is used and how well it’s maintained.
How much does it cost to change a fuel filter?
Most fuel filters can be replaced within an hour so plan on around $60 to $120 in labor. Some in-tank filters or those that are part of the fuel pump assembly may require additional labor time. On average, the total cost of fuel filter replacement will be around $70 to $160 which includes parts and labor.
Why is my car hesitating when I press the gas?
A vehicle that hesitates while accelerating or while driving up a hill may have a weak fuel pump. … Fuel injectors may become dirty over time and not be able to provide as much fuel to the cylinder as is needed. Dirty fuel injectors may cause the engine to run lean which will in turn, cause hesitation when accelerating.
Is it my fuel pump or filter?
Your fuel filter is exactly what it sounds like. It’s a filter that sits on your fuel line that prevents things like dirt and rust from getting into your engine. … Today’s newer cars typically include the fuel filter as part of the fuel pump assembly – and you’ll need to replace it every 5 years or around 30-50k miles.