Fuel Filter - Wikipedia

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• 1 Filters for foreign particles
• 2 Filters for foreign liquids
• 3 See also
• 4 References

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Appearance move to sidebar hide From Wikipedia, the free encyclopedia Filter used to strain fuel in fuel systems Fuel filter (small cylinder in white) for a tractor engineFuel filter (in white) in a 1982 GMC SierraFuel filter for diesel Volkswagen car engines

A fuel filter is a filter used to screen out foreign particles or liquids from the fuel. Most internal combustion engines use a fuel filter, in order to protect the components in the fuel system.

Filters for foreign particles

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Unfiltered fuel may contain several kinds of contamination, for example paint chips and dirt that has entered the fuel tank while filling, or rust caused by moisture in a steel tank.[citation needed] If these substances are not removed before the fuel enters the system, they will cause rapid wear and failure of the fuel pump and injectors.[1]

The filters are normally made into cartridges containing a filter paper.[citation needed] Fuel filters need to be maintained or replaced at regular intervals.

Filters for foreign liquids

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Some diesel engines use a bowl-like design to collect water in the bottom of the filter (as diesel floats on top of water).[citation needed] The water can then be drained off by opening a valve in the bottom of the bowl and letting it run out, until only the fuel remains.

See also

[edit] Wikimedia Commons has media related to Fuel filters.

• Fuel pump
• Fuel tank
• List of auto parts

References

[edit]

1. ^ "How long do fuel injectors last?". HowStuffWorks. 14 July 2010. Retrieved 19 November 2022.

v t e Internal combustion engine
Part of the Automobile series
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Valvetrain and Cylinder head	Flathead layout Overhead camshaft layout Overhead valve (pushrod) layout Tappet / lifter Camshaft Chest Combustion chamber Compression ratio Head gasket Rocker arm Timing belt Valve
Forced induction	Blowoff valve Boost controller Intercooler Supercharger Turbocharger
Fuel system	Diesel engine Petrol engine Carburetor Fuel filter Fuel injection Fuel pump Fuel tank
Ignition	Magneto Compression ignition Coil-on-plug Distributor Glow plug Ignition coil Spark plug Spark plug wires Capacitor discharge ignition
Engine management	Engine control unit (ECU)
Electrical system	Alternator Battery Dynamo Starter motor
Intake system	Airbox Air filter Idle air control actuator Inlet manifold MAP sensor MAF sensor Throttle Throttle position sensor
Exhaust system	Catalytic converter Diesel particulate filter Gasoline particulate filter EGT sensor Exhaust manifold Muffler Oxygen sensor
Cooling system	Air cooling Water cooling Electric fan Radiator Thermostat Viscous fan (fan clutch)
Lubrication	Oil Oil filter Oil pump Sump (wet, dry)
Other	Knocking / pinging Power band Redline Stratified charge Top dead centre
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