Frequently Asked Questions

What does it mean when the check engine light comes on in a 2021 Ram 1500?

• It signals that the vehicle’s onboard diagnostics system has detected an issue — from a loose gas cap to an emissions or engine performance fault.
• At Larry H. Miller Chrysler Dodge Ram FIAT Denver we diagnose with factory-grade tools to pinpoint causes quickly and accurately to reduce repair time and cost.
• Addressing the issue promptly often saves money over time by avoiding more expensive damage; our certified technicians explain repairs and offer transparent pricing and savings options.
• We honor warranty requirements: any warranty-covered repairs for a 2021 Ram 1500 must be performed at a certified dealership to preserve coverage.
• To get it checked now, schedule service — we also offer service financing so you can get care today and pay later, and you can view current service specials.

How long does a check engine light service take?

• Most diagnostics are completed in under an hour; simple fixes like a loose cap or sensor replacement can be done the same day.
• Complex repairs vary by part availability and required labor, but our service team at Larry H. Miller Chrysler Dodge Ram FIAT Denver provides an estimated timeline before work begins to respect your schedule.
• We prioritize efficiency with factory tools and OEM parts so you get long-term value and fewer repeat visits, creating immediate and lasting savings compared with recurring fixes.
• Use our easy online system to schedule appointment and check current service specials that lower out-of-pocket costs.

How much does a check engine light diagnostic cost for a 2021 Ram 1500?

• Diagnostics at our dealership are competitively priced and often cost less than independent shops when you factor in training, tools, and OEM parts — we deliver better value and longer-term savings.
• Exact pricing varies by the issue, but we give clear estimates before any repair and include warranty and service financing options so you can address problems promptly without delay.
• Choosing Larry H. Miller Chrysler Dodge Ram FIAT Denver means factory-trained technicians, transparent billing, and parts backed by manufacturer warranties; warranty repairs must be done at a certified dealer.
• To learn current diagnostic pricing and specials, review our service specials or schedule service for a fast, accurate check.

What is the most common reason for check engine light on a 2021 Ram 1500?

• Common causes include a loose/faulty gas cap, oxygen sensor faults, catalytic converter issues, ignition or fuel delivery problems, or EVAP system leaks.
• Our technicians use OEM-grade scanners to read trouble codes and explain the most cost-effective course of action to restore performance and fuel economy.
• Fixing problems early at Larry H. Miller Chrysler Dodge Ram FIAT Denver typically reduces long-term costs and helps maintain resale value and reliability for your 2021 Ram 1500.
• We accept service financing and advertise seasonal service specials to make repairs affordable; schedule service today for prompt attention.

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

• Start with the simplest checks: ensure the gas cap is tightened and inspect for obvious issues like low fluids or vibrations.
• If the light persists, bring your 2021 Ram 1500 to our certified technicians for a diagnostic scan — DIY resets can mask problems and may void warranty conditions.
• We provide transparent estimates, use OEM parts, and document repairs so you understand immediate and long-term savings; warranty repairs must be performed at a certified dealership to remain valid.
• To have it inspected quickly, schedule service online and check current service specials for added value.