2023 Honda Passport in Murray, UT

The check engine light indicates one or more OBD‑II trouble codes that point to a specific system or sensor fault on your 2023 Honda Passport.

The on‑board diagnostics system stores one or more fault codes that identify the affected system (emissions, fuel‑air metering, ignition, EVAP, etc.). At Larry H. Miller Honda Murray we retrieve freeze‑frame data and live sensor values to determine whether the issue is a loose filler cap, a failing sensor, or an intermittent misfire that needs further isolation testing.

• OBD‑II codes identify the system and help prioritize repairs.
• Freeze‑frame data shows engine conditions at the moment the fault set.
• Dealer diagnostics access manufacturer data and service bulletins.

Typical causes include a faulty oxygen sensor, EVAP system leak (loose gas cap or purge valve), mass airflow sensor issues, catalytic converter degradation, or ignition misfires.

These failures affect emissions and drivability; some will trigger a steady light while repeated misfires can trigger a flashing light. Technicians at Larry H. Miller Honda Murray evaluate sensor data, EVAP pressure tests, and combustion diagnostics to pinpoint the root cause and advise on repairs that protect the engine and emissions system.

• O2 sensor failure raises emissions and reduces fuel economy.
• EVAP leaks commonly stem from filler cap or purge valve faults.
• Misfires can damage catalytic converters if not corrected.

If the check engine light is steady, you can usually drive cautiously to a service center; if it is flashing, stop driving immediately to avoid engine or catalytic converter damage.

A steady light often indicates an emissions or sensor fault that should be checked soon; a flashing light usually signals a severe misfire or other condition that risks internal damage. In the Salt Lake Valley climate, prolonged driving with unresolved misfires or catalytic issues can increase repair scope and cost.

• Steady light: arrange service within a few days.
• Flashing light: pull over and have the vehicle towed or inspected immediately.
• Dealer diagnostics identify whether immediate towing is required.

Dealer diagnostics use Honda factory scan tools, OEM technical bulletins, and access to manufacturer‑level data that generic parts‑store readers typically cannot provide.

Parts‑store scanners can read stored codes but often lack freeze‑frame, live PID access, pending code details, and OEM‑specific diagnostics that narrow down causes. At Larry H. Miller Honda Murray our technicians combine factory tools with Honda service information to reduce unnecessary parts replacement and produce a written estimate before repairs.

• Factory tools read Honda proprietary codes and data.
• Technicians reference Honda service bulletins and wiring diagrams.
• Written estimates and isolation testing reduce guesswork.

No—simply resetting the check engine light without repairing the fault often prevents emissions readiness monitors from completing and can cause an inspection failure.

UT emissions testing (and most state inspections) require specific readiness monitors to report complete; clearing codes resets those monitors and typically requires a drive cycle to reset. Repair and verified completion of monitors are the reliable way to meet emissions requirements rather than clearing the light.

• Resetting clears diagnostic trouble codes but not the underlying fault.
• Readiness monitors must complete before emissions testing.
• Dealer diagnostics verify repairs and confirm monitor completion.

Schedule a diagnostic online using the service appointment form at https://www.lhmhonda.com/service/appointment-form.htm.

Use the online form to choose a convenient time, describe the symptom, and attach photos if helpful. You can also review current service offers on our service specials page before your visit. The appointment system streamlines check‑in and lets technicians prepare factory tools and test equipment specific to your 2023 Honda Passport.

• Book online to secure a technician slot quickly.
• Describe symptoms and dashboard indicators in the form.
• Service specials may lower repair costs; check before arrival.

A standard engine light diagnostic for the 2023 Honda Passport begins with an OBD‑II scan using Honda factory diagnostic tools to capture all stored and pending codes and freeze‑frame data. Technicians review live sensor data (fuel trims, misfire counters, oxygen sensors, and EVAP system status) and check for related technical service bulletins that affect diagnosis. Next comes targeted isolation testing—smoke or pressure tests for EVAP leaks, ignition and compression checks for misfires, and sensor bench tests when needed.

The process concludes with a written estimate that outlines recommended repairs, parts (we use genuine Honda OEM parts), and time to complete work. Prior to any repair, the advisor reviews coverage and available service offers; you can schedule service online for a specific appointment.

Diagnostics for the 2023 Honda Passport in Murray serve drivers across the Salt Lake Valley, including Salt Lake City, Sandy, Millcreek, and West Jordan. Our service department uses Honda factory scan tools that retrieve manufacturer‑specific data and freeze‑frame snapshots that generic OBD‑II readers often miss. Local climate changes—cold winters and temperature swings—can influence EVAP and cold‑start codes, so technicians account for seasonal patterns when reviewing data.

We perform on‑vehicle tests to confirm causes and provide a transparent repair path. Use the online appointment form to set a time that matches your schedule and bring any recent fuel or driving notes that help replicate the fault. Directions and a scheduling link are available on the service appointment page.

Common OBD‑II codes on a 2023 Honda Passport often point to the emissions and combustion systems: O2 sensor (oxygen) codes indicate exhaust sensor degradation and can increase emissions and reduce fuel economy; EVAP codes can signal leaks in the fuel system that cause drivability issues; MAF or intake air codes affect fuel‑air metering; misfire codes (P0300–P0306) indicate ignition or fueling problems that, if ignored, can overheat or damage the catalytic converter. Each code has repair implications—delaying a misfire diagnosis risks catalytic converter damage and significantly higher parts cost.

Bring your 2023 Honda Passport to Larry H. Miller Honda Murray in Murray for an accurate diagnosis — schedule service.