Friday 3 October 2014

How to Know If You Need a New Fuel Filter


Fuel filters are a key component in the fuel delivery system. Filters help remove dirt from the fuel before it flows into the fuel injector or carburettors. When the fuel filter gets too dirty, dirty and rust particles are allowed to flow into your engine causing your fuel injector to get clogged. However, there is a simple way of finding out if your fuel filter is bad and needs to be replaced.

• No-Start Condition
If a fuel filter is totally blocked or clogged to the point of blocking fuel flow to a vehicle's engine, the vehicle will not start. Fuel combined with air is what is ignited inside a vehicle's engine to get it started.

• Hard-Start Condition
A partially blocked or clogged fuel filter will often result in a vehicle that is hard to start. Adequate fuel flow to a vehicle's engine is needed to produce engine starting. A reduced or restricted fuel flow to a vehicle's engine will hinder normal starting.

• Frequent Engine Stalling
For a vehicle's engine to run efficiently and adequately, a constant flow of fuel needs to reach the engine. Any disruption of this fuel flow, which is what happens when a fuel filter is clogged, can cause an engine to frequently stall.

• Engine Hesitation
Engine hesitation is a common symptom of a clogged fuel filter. By causing an abnormal fuel flow to a vehicle's engine, a condition that results in abnormal engine combustion and reduced engine power, a clogged fuel filter can cause an engine to hesitate or stumble during acceleration.

• Erratic Engine Performance
A clogged fuel filter often results in erratic engine performance by causing an abnormal or alternating pattern of fuel flow into a vehicle's engine. Under heavy acceleration or at high engine speeds, fuel pressure may be sufficient to allow adequate fuel flow past a partially clogged filter, which results inadequate engine performance. When engine speed is reduced, fuel flow may be restricted to the point of causing reduced engine power and performance.

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