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What are the symptoms when fuel filter needs to be replace?

* Difficulty starting the engine. A clogged fuel filter can restrict the flow of fuel to the engine, making it difficult to start.

* Engine stalling. A clogged fuel filter can also cause the engine to stall, especially when accelerating or decelerating.

* Poor fuel economy. A clogged fuel filter can reduce the engine's efficiency, resulting in poor fuel economy.

* Rough idling. A clogged fuel filter can cause the engine to idle rough or surge.

* Check engine light. A clogged fuel filter can sometimes trigger the check engine light to come on.

If you are experiencing any of these symptoms, it is important to have your fuel filter inspected and replaced if necessary.