Frequently Asked Questions

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

• It indicates the vehicle’s onboard diagnostics detected an issue — ranging from a loose gas cap to an emissions or engine performance fault.
• At Larry H. Miller Chrysler Dodge Ram FIAT Denver we diagnose the root cause quickly with factory-grade scanners and certified technicians to prevent bigger repairs later.
• Our pricing often costs less than independent shops while delivering OEM parts, transparent estimates, and warranty protection; repairs covered under warranty must be done at a certified dealership.
• To get immediate attention and flexible payment options, schedule service — we also offer service financing so you can get service now and pay later.
• Check current offers before you visit via service specials for additional savings.

How long does a check engine light service take?

• Diagnostics typically take 30–90 minutes depending on code complexity and road tests required.
• If parts or additional troubleshooting are needed, our service advisors provide transparent timelines and written estimates so you know what to expect.
• Our technicians work efficiently using OEM tools to protect longevity and resale value of your 2021 Ram Promaster City.
• To reserve a convenient time, schedule service online and check current discounts on our service specials.

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

• Diagnostic fees vary by issue; at Larry H. Miller Chrysler Dodge Ram FIAT Denver our competitive diagnostic pricing is transparent and often less than independent shops while providing factory-trained technicians.
• We explain immediate and long-term savings of fixing issues promptly — better fuel economy, avoided repairs, and preserved vehicle value.
• Remember that warranty-covered repairs must be completed at a certified dealership to maintain coverage.
• For current pricing and offers, view our service specials or schedule service to get a personalized estimate.

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

• Common causes include loose/faulty gas cap, oxygen sensor issues, catalytic converter performance, or ignition system faults.
• Ignoring these can raise fuel costs, increase emissions, and lead to expensive repairs — our certified techs identify and repair the issue to save you money long term.
• We offer OEM parts, clear estimates, and service financing so you can address issues immediately and protect your vehicle.
• Book online to get prioritized diagnostics: schedule service.

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

• Check that the gas cap is tight — it’s a simple fix that often clears the code after a short drive.
• If the light stays on or flashes, bring your vehicle to Larry H. Miller Chrysler Dodge Ram FIAT Denver for a certified diagnostic to avoid further damage.
• We provide transparent quotes, factory diagnostics, and warranty-compliant repairs; repairs under warranty must be performed here to remain eligible.
• Use our online tools to schedule service or view current service specials before you visit.