Frequently Asked Questions

What does it mean when the check engine light comes on in a 2018 FIAT 500?

• The light signals that the vehicle’s onboard diagnostics system detected an issue — anything from a loose gas cap to an emissions or ignition fault. Our certified technicians at Larry H. Miller Chrysler Dodge Ram FIAT Denver diagnose the root cause quickly to avoid cascading damage and added costs.
• We often cost less than independent shops while delivering factory-level service, OEM parts, and transparent pricing. Choosing our service can save you immediately with accurate diagnosis and long-term by preventing more expensive repairs down the road.
• Repairs covered under warranty must be performed at a certified dealership to maintain coverage; our technicians are FIAT-certified and use OEM parts to protect your vehicle’s longevity and resale value.
• To get a timely inspection, you can schedule service online or check current offers under our service specials. We also offer service financing to help you get repairs done now and pay later.

How long does a check engine light service take?

• Standard diagnostic appointments typically take between 30 and 90 minutes, depending on code complexity and road-test needs. If parts or deeper troubleshooting are required, a technician will explain the expected timeline and next steps.
• At Larry H. Miller Chrysler Dodge Ram FIAT Denver we prioritize speed without cutting corners: fast check-in, clear estimates, and efficient repairs by factory-trained techs to reduce your vehicle downtime.
• Our dealership often provides immediate savings through accurate diagnosis and prevents repeat visits, delivering better long-term value than many independent shops.
• Book a time that fits your schedule—click to schedule service and see current coupons in service specials.

How much does a check engine light diagnostic cost for a 2018 FIAT 500?

• Diagnostic fees vary by issue, but at our dealership you get transparent pricing, detailed findings, and a written estimate before any repairs. We regularly offer competitive pricing that often costs less than independent shops while providing the factory expertise you can trust.
• Immediate savings come from correct diagnosis the first time; long-term savings come from using OEM parts and certified repairs that prevent recurring faults and protect warranties.
• Remember that warranty-covered repairs must be completed at a certified dealership to remain valid—our technicians and service processes meet those standards.
• To learn current pricing or to book a diagnostic, schedule service or review our service specials. Service financing is available if you need flexible payment options.

What is the most common reason for check engine light on a 2018 FIAT 500?

• Common causes include oxygen sensor faults, catalytic converter issues, ignition misfires, or a loose/faulty gas cap. For the turbocharged 1.4L in the 2018 FIAT 500, intake, ignition, and turbo control components can trigger codes.
• Addressing these quickly prevents higher repair bills — for example, an ignored O2 sensor can lead to poor fuel economy and eventual catalytic converter failure, which is significantly more expensive to replace.
• Our certified technicians identify symptoms precisely and recommend cost-effective repairs using OEM parts to preserve performance and fuel economy.
• Schedule an inspection to get a professional diagnosis: schedule service. Check current savings under service specials and ask about service financing if needed.

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

• Start with simple checks: confirm the gas cap is tightened. A loose or damaged cap is a common trigger and quick to fix.
• If the light persists, bring your 2018 FIAT 500 to our dealership for a complete diagnostic scan performed by FIAT-trained technicians—this ensures accurate code reading and recommended repairs that preserve your warranty and vehicle health.
• We emphasize clear estimates, OEM parts, and the long-term savings of correct repairs. Repairs covered under warranty must be completed at a certified dealership like ours to maintain coverage.
• To book, schedule service online or view our service specials. Ask us about service financing so you can get the fix now and pay later.