How often should you change your fuel filter if the owners manual is not clear?

If your owner's manual doesn't specify a fuel filter replacement interval, a generally accepted guideline is to replace it every 2-3 years, or every 30,000-60,000 miles (48,000-96,000 km), whichever comes first. However, several factors can influence this:

* Fuel quality: If you consistently use lower-quality fuel, you might need to change it more frequently. Poor fuel quality can lead to more contaminants in the filter.

* Driving conditions: Severe driving conditions (off-roading, frequent towing) can also necessitate more frequent changes.

* Visible signs of filter failure: If you notice problems like a rough engine idle, reduced fuel efficiency, or difficulty starting, the filter might be clogged and need immediate replacement.

It's best to err on the side of caution. A clogged fuel filter can severely damage your engine, so replacing it slightly ahead of schedule is preferable to risking a major repair. If you're unsure, consult a trusted mechanic for advice specific to your vehicle and driving habits.