Frequently Asked Questions

What does it mean when the check engine light comes on in a 2018 Dodge Journey?

• It indicates the vehicle’s onboard diagnostics detected a fault — anything from a loose gas cap to a sensor failure. Our technicians at Larry H. Miller Chrysler Jeep Dodge Ram Boise diagnose the exact code and explain repair options.
• We often find issues like oxygen sensor faults, catalytic converter warnings, or EVAP system leaks. Addressing these early protects fuel economy and prevents larger repairs.
• Our dealership often costs less than independent shops when you factor in accurate diagnostics, OEM parts, and long-term savings from correct repairs. Ask about our service financing to get repairs now and pay later.
• Warranty repairs must be performed at a certified dealership to preserve coverage; we’ll confirm any warranty eligibility before work begins.
• To get started, schedule service online or review current service specials.

How long does a check engine light service take?

• Typical diagnostics take 30–60 minutes depending on symptoms and test needs. Simple code clears and repairs can be same-day; more complex repairs may require parts and additional time.
• We prioritize transparent timing and will give an upfront estimate. Fast turnaround and loaner options (when available) reduce disruption to your day.
• Using OEM parts and certified technicians ensures the repair is done right the first time, delivering immediate benefits and long-term savings on repeat visits.
• We offer service financing to spread payments, and you can schedule appointment online for the time that fits you.

How much does a check engine light diagnostic cost for a 2018 Dodge Journey?

• Diagnostics can vary, but our transparent pricing and helpful explanations help you choose the right repair path. Because we combine accurate diagnostics with OEM parts and certified techs, you get better long-term value and often lower total cost than independent shops.
• Ask about current service specials and financing to reduce up-front expense and save over time.
• We’ll always explain immediate fixes versus preventive repairs so you can make an informed decision that protects your 2018 Dodge Journey.
• To schedule diagnostics, schedule service online in Boise today.

What is the most common reason for check engine light on a 2018 Dodge Journey?

• Common causes include loose gas caps, oxygen sensors, ignition components, and EVAP system issues. A weak battery or charging problem can also trigger faults for electronic subsystems.
• Addressing these issues quickly improves fuel economy and prevents catalytic converter damage or drivability problems that cost more later.
• Our certified technicians at Larry H. Miller Chrysler Jeep Dodge Ram Boise use OEM replacement parts and manufacturer procedures to restore performance reliably.
• We provide clear cost estimates, warranty protection, and service financing so you can repair now and pay over time. Learn more via service specials and schedule service.

What is the first thing to check when the check engine light comes on?

• Start with simple items: check the gas cap for tightness and inspect battery terminals for corrosion or looseness. A weak battery can cause voltage irregularities that set codes.
• If basics look fine, bring your 2018 Dodge Journey to our Boise service center for a full scan. We’ll read codes, explain findings, and outline immediate vs. recommended repairs.
• Repairs done at our dealership use OEM parts, certified technicians, and warranty-backed service—required for warranty-covered work and delivering long-term savings.
• To get a professional diagnosis quickly, schedule service online or check current service specials.