Frequently Asked Questions

Why is an air filter important for a 2018 Dodge Journey?

• Protects the engine by keeping dust, pollen, and road debris out of the intake—preserving horsepower and fuel efficiency for your 2.4L inline engine.
• Improved air flow means better throttle response and up to the published EPA ratings (19 city / 25 highway) when filters are clean.
• Our certified technicians at Larry H. Miller Chrysler Jeep Dodge Ram Boise use OEM-quality filters and quick inspection protocols to extend engine life.
• We offer service financing so you can get necessary maintenance now and pay later, preserving long‑term value.
• To book a visit, schedule service or view current service specials.

Where is the air filter in a 2018 Dodge Journey?

• The engine air filter sits in the airbox near the front of the engine compartment for easy access during routine service.
• The cabin air filter is located behind the glove box or under the dash depending on the model configuration and protects HVAC system airflow.
• At Larry H. Miller Chrysler Jeep Dodge Ram Boise our technicians inspect both filters during multi-point checks and document findings for transparency.
• Repairs covered under warranty must be performed at a certified dealership to preserve coverage—our certified team can handle that.
• To confirm location and replacement, schedule appointment online.

How much does it cost to replace the air filter in a 2018 Dodge Journey?

• Costs vary by filter type and whether you choose OEM parts; our pricing is competitive and often costs less than independent shops while delivering factory-trained service.
• Choosing dealership service delivers immediate savings from fewer follow-ups and long-term savings through proper installation and genuine parts.
• We clearly explain parts, labor, and warranty coverage before work begins and offer service financing options so you can get care today and pay over time.
• Check current offers under service specials or schedule service to get an exact quote for your 2018 Dodge Journey.

How often should I change the engine air filter on my 2018 Dodge Journey?

• Typical replacement intervals range from 15,000 to 30,000 miles depending on driving conditions; dusty or off-road use requires more frequent changes.
• Our service technicians at Larry H. Miller Chrysler Jeep Dodge Ram Boise recommend inspecting the filter at every oil change for tailored guidance.
• Routine changes keep fuel economy steady, reduce strain on the engine, and prevent accelerated component wear.
• Use our online tools to schedule service and protect long-term value with OEM parts covered by warranty when applicable.

What is the difference between an engine air filter and a cabin air filter?

• The engine air filter cleans incoming air for combustion to protect the engine and maintain performance and mpg.
• The cabin air filter cleans air entering the passenger compartment—removing pollen, dust, and odors to improve passenger comfort.
• Both filters are essential: one for power and efficiency, the other for interior air quality and HVAC longevity.
• We install OEM filters and document replacement to protect warranties; schedule a quick inspection via schedule appointment.

What are signs of a bad air filter?

• Reduced acceleration, sluggish throttle response, decreased fuel economy, or unusual engine sounds can indicate a clogged engine air filter.
• Weak HVAC flow, persistent odors, or increased dust inside the cabin often point to a dirty cabin air filter.
• Our technicians provide a clear diagnosis and explain cost-effective options; dealership service often saves money over time by preventing downstream repairs.
• We recommend using our service financing if needed and checking current service specials before booking.