2016 Dodge Durango Check Engine Light in Sandy, UT

It means the Durango's OBD-II system logged a fault code (for example, a misfire code like P0300) identifying the affected system.

An illuminated check engine light on a 2016 Dodge Durango is the vehicle's way of flagging a detected fault — the scanner will retrieve a specific P0xxx or P2xxx code that points to engine, fuel, ignition, EVAP or emissions systems. At our Sandy service center we read the freeze-frame data and active vs. stored codes to prioritize repairs and emissions readiness.

• OBD-II stores a trouble code and freeze-frame data when the fault occurred
• Common code examples include misfire (P0300 series) or O2 sensor circuits (P0130–P0167)
• Scan results guide isolation testing and repair planning

Typical causes include oxygen sensor faults, EVAP leaks, mass air flow or intake issues, ignition misfires, or catalytic converter performance problems.

For a 2016 Dodge Durango, many check engine diagnoses trace back to emissions- and combustion-related components. Seasonal temperature swings in the Salt Lake Valley can aggravate EVAP leaks or cold-start sensor behavior; we review freeze-frame data to see when the fault occurred and replicate conditions if needed.

• O2 sensor or heater circuit failure affecting fuel trim
• EVAP system leaks (loose cap, purge valve, or hoses) triggered by temperature changes
• Ignition misfires (spark plugs, coils) that risk catalytic converter damage

If the light is steady, you can usually drive cautiously to service; if the light is flashing, stop driving and have the vehicle towed to avoid engine or catalytic converter damage.

A steady check engine light often indicates a non-emergency fault that should be inspected soon; continuing to drive can worsen fuel economy or emissions. A flashing light signals an active misfire or severe condition that can overheat the catalytic converter — in that case, stop driving and contact our Sandy service team for next steps.

• Steady light: schedule a diagnostic appointment and monitor performance
• Flashing light: pull over safely and avoid prolonged driving
• Bring the vehicle to LHM Sandy Jeep for a factory-level scan and isolation testing

Dealer diagnostics provide OEM factory-scan capability, access to manufacturer-specific data and OEM-trained technicians who perform isolation testing beyond a basic code read.

Parts stores often provide a complimentary code read that shows a P-code, but dealer tools access proprietary modules, freeze-frame, and manufacturer-specific troubleshooting steps for a 2016 Dodge Durango. At our Sandy facility we pair the scan with hands-on tests and a written estimate so you know the root cause before repairs begin.

• Factory scan tools display manufacturer-specific data and pending codes
• OEM service procedures reduce diagnostic guesswork on 3.6L V6 systems
• We provide a written estimate and recommend repairs based on isolation testing

No — resetting the light does not repair the underlying fault and vehicle monitors must complete before an emissions test will register ready.

State emission readiness checks look for completed monitors; clearing codes temporarily may show a "not ready" result and fail inspection. For reliable results in Sandy and the surrounding valley, repair the cause indicated by the OBD-II codes, then drive the vehicle through the required drive cycles or let our technicians complete testing and verification.

• Clearing codes does not fix the mechanical or electrical issue
• Monitors must run and report OK before a test will pass
• We can verify readiness after repairs and document the results

Most dealer diagnostics are scheduled as a one-hour appointment to read codes, review freeze-frame data and begin isolation testing.

The initial appointment time is aimed at capturing codes and freeze-frame information and performing basic isolation tests; if further troubleshooting or road-testing is required for the 3.6L V6, additional time may be necessary. Our Sandy Auto Mall location prioritizes clear communication and a written estimate before any repair work begins.

• Initial scan and freeze-frame review performed during the appointment
• Isolation testing or parts evaluation may require extended diagnosis
• Schedule service online to reserve a diagnostic slot at our Sandy facility

OBD-II codes on a 2016 Dodge Durango often point to a specific system; reading the code narrows the diagnosis. For example, P0300 indicates random/multiple cylinder misfires and, if left unaddressed, can overheat and damage the catalytic converter. Codes in the P0130–P0167 range typically indicate oxygen sensor or heater circuit faults that affect fuel trim and emissions. EVAP codes (P0440–P0456) commonly stem from leaks in the gas cap, purge valve, or hoses — conditions that can be aggravated by the temperature swings we see in the Salt Lake Valley.

Ignoring codes can increase repair scope and cost: unaddressed misfires risk catalytic converter replacement, while ongoing fuel-trim issues can cause poor economy and driveability concerns. Our technicians use manufacturer procedures to confirm whether a code indicates a sensor failure, a wiring issue, or a secondary component fault.

Bring your 2016 Dodge Durango to Larry H. Miller Chrysler Jeep Dodge Ram Sandy in Sandy for an accurate diagnosis — schedule service.

Service for the 2016 Dodge Durango at our Sandy Auto Mall location covers drivers from Sandy, Draper, and South Jordan. We use factory-level scan tools that read Chrysler‑specific modules and capture freeze-frame and manufacturer-only data that a generic OBD-II reader cannot. Local climate factors — cold winter starts and spring/fall temperature swings — can trigger EVAP or cold-start codes, so we reproduce the same conditions where practical to validate repairs.

When you bring a 2016 Dodge Durango to our facility, technicians begin with a comprehensive scan and review of stored and pending codes, then perform targeted isolation testing based on factory guidance. If a follow-up repair is needed, we provide a written estimate and explain parts and labor before any work proceeds. For convenience, our location just off I-15 makes drop-off and pick-up straightforward for commuters traveling the Wasatch Front.

To book an appointment, schedule service or view current service specials.

A proper engine-light diagnostic for a 2016 Dodge Durango follows a step-by-step process: initial OBD-II scan, freeze-frame data review, targeted isolation testing, and a written estimate before repairs. We start by pulling active and stored codes and examining the freeze-frame snapshot to understand engine conditions when the fault occurred. From there, technicians test related circuits, inspect ignition and fuel components on the 3.6L V6, and perform smoke or pressure tests for EVAP concerns if indicated.

After diagnosis we provide a clear, itemized estimate so you can review recommended repairs and decide how to proceed. Where applicable, diagnostic fees are applied toward recommended repairs per standard practice; we also document completed tests and recommend the correct OEM parts when replacements are needed. For service convenience, schedule service online and our team will follow up with appointment details.