Frequently Asked Questions

What does it mean when the check engine light comes on in a 2012 Chrysler 300?

• It signals that the vehicle’s onboard diagnostics have detected an issue — from emissions and sensors to ignition or fuel-system faults.
• At Larry H. Miller Chrysler Jeep Dodge Ram Boise we diagnose the exact trouble code with factory-level tools, giving clear options and transparent pricing so you know immediate and long-term costs.
• Our certified technicians use OEM parts and back work with warranty coverage; remember, warranty repairs must be performed at a certified dealership to remain valid.
• We offer service financing so you can get repairs now and pay later; to book, schedule service online.
• Check current promotions before you come in via our service specials to maximize savings.

How long does a check engine light service take?

• Most diagnostics are completed within one visit — typically 30–90 minutes depending on the issue and test drives required.
• If a repair is required, our team gives a clear timeline up front; many common fixes are same-day when parts are in stock.
• Choosing Larry H. Miller Chrysler Jeep Dodge Ram Boise often costs less than independent shops because of our efficient workflows, bundled offers, and long-term savings from OEM quality.
• To reserve a convenient time, schedule service now and check our service specials.

How much does a check engine light diagnostic cost for a 2012 Chrysler 300?

• Diagnostics prices vary by the exact tests required, but our transparent estimates show immediate and long-term savings — fewer repeat visits and reliable repairs with OEM parts.
• Larry H. Miller Chrysler Jeep Dodge Ram Boise frequently offers competitive pricing that compares favorably to many independent shops while delivering factory-trained technicians and warranty protection.
• Ask our service advisors about service financing so you can address the issue today and pay over time.
• See current pricing and discounts on our service specials and schedule service online.

What is the most common reason for check engine light on a 2012 Chrysler 300?

• Common causes include ignition misfires, oxygen sensor failure, catalytic converter efficiency problems, or EVAP leaks — each has different consequences if left untreated.
• Ignoring these can lead to poor fuel economy, reduced performance, higher emissions, and more expensive repairs down the road; our diagnostics identify root causes to protect vehicle longevity.
• Repairs done at our dealership use OEM parts and certified techs, protecting warranty coverage and delivering predictable, long-lasting results.
• To learn more and lock in savings, check our service specials and schedule service.

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

• Start with a professional diagnostic scan — it reveals the trouble code and points to the correct repair path.
• At Larry H. Miller Chrysler Jeep Dodge Ram Boise we provide a clear estimate after the scan so you understand immediate costs and long-term savings from fixing the root cause.
• Service financing is available so you don’t delay essential repairs, and warranty-covered fixes must be completed at a certified dealership to remain valid.
• Ready to move forward? Schedule service and view our service specials online.