Engine Light & Battery Service — 2014 Nissan Frontier

When your 2014 Nissan Frontier shows an engine light or needs a battery check, Larry H. Miller Nissan Mesa in Mesa, AZ delivers fast, certified diagnostics and reliable battery replacement using OEM parts. Our factory-trained techs focus on long-term value, safety, and transparent pricing. Explore our service specials and schedule service today.

What does it mean when the check engine light comes on in a 2014 Nissan Frontier?

• It signals a fault detected by the onboard diagnostics — anything from a loose gas cap to an emissions or fuel system issue. Diagnostics identify the exact code.
• At Larry H. Miller Nissan Mesa, our certified technicians run full-scope system checks, explain the cause clearly, and recommend OEM repairs that protect your Frontier’s longevity.
• We often cost less than independent shops while providing factory training, genuine parts, and service financing so you can get work done now and pay later.
• Repairs covered under warranty must be completed at a certified dealership to preserve coverage; we’ll confirm warranty eligibility before any work begins.

How long does a check engine light service take?

• Most diagnostics are completed within an hour; fixes depend on the issue. Simple resets or minor repairs can be same-day, while complex repairs may require parts ordering.
• Larry H. Miller Nissan Mesa prioritizes quick turnarounds with clear timelines and loaner or shuttle options when available.
• Using OEM parts and manufacturer procedures ensures the repair is done right the first time, reducing return trips and saving you money over the vehicle’s life.
• To reserve a convenient time, please schedule appointment online — ask about current service specials.

How much does a check engine light diagnostic cost for a 2014 Nissan Frontier?

• Diagnostics at our dealership start competitively — typical diagnostic fees begin around $89. We provide a clear estimate before any repair work.
• Our transparent pricing, combined with factory-trained techs and OEM parts, often results in lower immediate and long-term costs compared with independent shops.
• We offer service financing so you can address issues now and pay over time, helping avoid larger repair bills caused by delays.
• Any warranty-covered work must be performed at a certified dealership to protect your coverage; we’ll review warranty status before proceeding.

What is the most common reason for check engine light on a 2014 Nissan Frontier?

• Common causes include faulty oxygen sensors, loose or damaged gas caps, and issues with the catalytic converter or spark plugs.
• Our technicians diagnose codes precisely and explain the risk and cost of leaving each issue unaddressed, including reduced fuel economy and progressive engine damage.
• At Larry H. Miller Nissan Mesa, repairs use OEM parts and manufacturer-recommended methods to restore performance and prevent follow-up problems.
• Check our service specials and schedule service for timely attention and lasting results.

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

• Start with the gas cap — a loose or damaged cap is a frequent cause and an easy fix that can clear the light.
• If the light remains, bring your 2014 Nissan Frontier to Larry H. Miller Nissan Mesa for a full diagnostic scan; our certified techs will read codes and recommend the best path forward.
• Using dealership service delivers transparent estimates, OEM parts, and warranty protection that often save money over time compared to repeated independent repairs.
• To get started quickly, schedule service online and review available service specials.

Check Engine Light Flashing

A flashing check engine light in your 2014 Nissan Frontier typically indicates an active misfire or condition that risks engine or catalytic converter damage. When a light flashes, unburned fuel can enter the exhaust, quickly overheating the catalytic converter and causing expensive downstream repairs. At Larry H. Miller Nissan Mesa in Mesa, AZ, we treat flashing lights as urgent: our technicians perform immediate diagnostics to identify misfire codes, inspect ignition components, fuel delivery, and engine sensors, and recommend OEM repairs that prevent further damage. Addressing a flashing light promptly saves you money in the long run by avoiding catalyst replacement and collateral engine wear. We explain each recommended repair, provide transparent estimates, and apply manufacturer-approved parts and procedures. Take advantage of our service specials and ask about service financing to handle urgent repairs without delay. For safety and to limit repair scope, schedule appointment online or contact Larry H. Miller Nissan Mesa immediately for priority service and trusted diagnostics.

2014 Nissan Frontier Check Engine Light Reset

Resetting the check engine light on a 2014 Nissan Frontier is straightforward when done correctly, but a reset alone does not resolve the underlying fault. At Larry H. Miller Nissan Mesa, our approach is to diagnose the cause with factory-grade scanners, repair the issue using OEM parts when required, and then clear codes so you regain a reliable, safe driving experience. Independent code readers can erase a light, but that may mask ongoing problems and lead to repeated failures; our certified technicians validate repairs and test-drive the vehicle to ensure the condition is fully resolved. We document all work transparently and honor warranties — remember that warranty repairs must be performed at a certified dealership to remain valid. Choosing dealership service offers immediate and long-term savings through precise diagnosis, authentic parts, and reduced repeat visits. We also provide service financing to get necessary repairs done now and pay over time. Before resetting any codes, let us inspect your Frontier; schedule service and check our current service specials to maximize value.

2014 Nissan Frontier Check Engine Light Codes

Common check engine light codes for the 2014 Nissan Frontier include P0420 (catalyst system efficiency), P0300 (random/multiple cylinder misfire), P0171/P0174 (fuel trim lean conditions), and various oxygen or sensor-related codes. Ignoring these codes can lead to increased emissions, loss of power, poor fuel economy, or severe component damage. For example, leaving a P0420 unresolved can eventually require catalytic converter replacement — a costly repair. A misfire code like P0300 can damage pistons or a catalytic converter if not addressed quickly. At Larry H. Miller Nissan Mesa in Mesa, AZ, our certified technicians diagnose codes accurately, explain cost-effective repair strategies, and prioritize fixes that preserve resale value and extend vehicle life. We combine OEM parts, factory procedures, and the convenience of online booking — schedule service — and we regularly post discounts under service specials. Choosing dealership expertise often reduces total ownership costs by preventing compounded failures. Contact Larry H. Miller Nissan Mesa to review code findings and get transparent repair options from technicians who specialize in Nissan vehicles.