Frequently Asked Questions

What does it mean when the check engine light comes on in a 2012 Dodge Journey?

• It signals that your vehicle’s onboard diagnostics detected an issue — anything from a loose gas cap to an emission sensor or misfire. Our certified technicians at Larry H. Miller Chrysler Dodge Ram FIAT Denver diagnose the cause quickly to protect your engine and fuel economy.
• We explain results plainly, using OEM parts and factory procedures to restore performance and longevity. Choosing our dealership often costs less than independent shops when factoring in accurate diagnostics, long-term repairs avoided, and warranty protection.
• If your repair is covered by warranty, it must be completed at a certified dealership like ours to preserve coverage. We also offer service financing so you can get necessary repairs now and pay later.
• To get definitive answers and immediate care, schedule service online or check our current service specials before you arrive.

How long does a check engine light service take?

• Typical diagnostics for a 2012 Dodge Journey take 30–90 minutes depending on symptoms. If additional repairs are needed, our team provides a clear timeline and cost estimate before work begins.
• At Larry H. Miller Chrysler Dodge Ram FIAT Denver we prioritize quick turnarounds with the right parts on hand, factory-trained techs, and efficient bays to reduce your downtime.
• Booking in advance helps — you can schedule appointment online and review available service specials to save immediately and over time through reduced fuel use and fewer follow-up repairs.
• We also offer service financing so urgent repairs don’t have to wait; this preserves vehicle health and long-term savings compared with delaying needed fixes.

How much does a check engine light diagnostic cost for a 2012 Dodge Journey?

• Prices vary by symptom, but our transparent diagnostic fees are competitive. When you include the accuracy, OEM parts, and warranty protections we provide, many customers find our total cost is lower than independent shops over the life of the vehicle.
• We prioritize immediate and long-term savings: accurate diagnosis prevents unnecessary part replacements and future failures, and our service specials can reduce upfront cost — view them here.
• If a covered repair is required, it must be performed at a certified dealership to maintain warranty benefits. Ask our service advisors about service financing to get repairs now and pay over time.

What is the most common reason for check engine light on a 2012 Dodge Journey?

• The most frequent causes include oxygen sensor issues, catalytic converter performance, loose or faulty gas caps, and spark plug or ignition coil problems. Left unaddressed, each can reduce fuel efficiency, increase emissions, and lead to costly engine damage.
• At Larry H. Miller Chrysler Dodge Ram FIAT Denver our certified techs use factory-grade tools and OEM replacement parts to correct these issues efficiently and reliably, protecting long-term value.
• Use our online schedule service tool to reserve a diagnostic appointment and check current service specials to save today and across the life of your vehicle.

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

• Start with basic checks: ensure the gas cap is tight and undamaged. A loose cap is a common, simple trigger that can be corrected immediately.
• If the light persists, or if the light is flashing, don’t delay — a flashing light can indicate an engine misfire risking catalytic converter damage. Bring your 2012 Dodge Journey to our service center so our certified technicians can diagnose and repair the issue promptly.
• We provide transparent estimates, OEM parts, and service financing to make repairs accessible. Book now via schedule service and review our service specials for savings.