2013 Ford Taurus Check Engine Light in Braintree, MA

It means the powertrain control module detected a fault and stored an OBD-II trouble code that needs diagnosis.

The light signals that your Taurus’s engine or emissions system isn’t meeting expected parameters. The code identifies the affected system (EVAP, oxygen sensor, misfire, etc.), but further testing confirms the exact cause. In Braintree, our Ford tools read detailed data to guide efficient repairs. If the light turns on after refueling, re-seat the gas cap and monitor; otherwise, schedule service.

• OBD-II code points to a system, not a guaranteed part failure
• Steady light = service soon; flashing light = stop driving
• Written estimate provided before any repair begins

Typical causes include a loose gas cap/EVAP leak, failed oxygen sensor, mass air flow sensor issue, catalytic converter efficiency code, or engine misfire.

The 3.5L V6 can illuminate the MIL for small EVAP leaks (often after fueling), aging O2 sensors, or airflow/sensor discrepancies. Misfires from worn plugs or coils can also trigger the light and risk converter damage if ignored. A targeted diagnostic avoids parts swapping and confirms the root cause. Prefer a professional test? Schedule service.

• EVAP small leak: P0442/P0456; sometimes a gas cap seal
• Oxygen sensor performance: P0133/P0153; sensor or wiring
• Misfire: P0300–P0306; plugs/coils/injectors/compression

A steady light means drive cautiously to a service facility; a flashing light means stop driving to avoid catalytic-converter damage from a severe misfire.

If the light is steady, reduce load and plan a prompt diagnostic visit near Braintree. A flashing MIL indicates unburned fuel reaching the catalyst, which can overheat and fail quickly. Continued driving may increase repair costs. Need a slot today? Use our online schedule service tool.

• Limit speed and avoid towing/heavy acceleration with a steady light
• If flashing, pull over safely and arrange service
• Early diagnosis helps protect the catalyst and engine

A parts store scan reads generic OBD-II codes; dealer-level diagnosis uses Ford factory scan tools and guided tests to pinpoint the root cause.

Codes have multiple potential causes, and accurate repairs require data beyond a simple readout—like freeze-frame, Mode 6, bi-directional tests, TSBs, and software checks. Our Ford-trained technicians isolate the fault, verify it, and provide a written estimate before work. See current service specials and schedule an appointment.

• Access to Ford IDS/FDRS, service info, and pinpoint test plans
• Component isolation testing to confirm the failure
• Clear estimate with OEM repair options

No — clearing the light resets readiness monitors, and a Massachusetts inspection will fail if required monitors aren’t complete.

After a reset, your Taurus must complete specific drive cycles so monitors (EVAP, O2, catalyst) can run and report “ready.” If the underlying problem remains, the light will return and the vehicle can fail again. Fix the root cause first, then verify monitors are complete before inspection. Need help? Schedule service.

• Inspection checks for stored codes and readiness status
• Drive cycles may take multiple trips and conditions
• Diagnosis and repair prevent repeat failures

A flashing MIL indicates an active, severe engine misfire that can quickly overheat and damage the catalytic converter.

This condition allows raw fuel into the exhaust, raising catalyst temperatures and risking costly damage. Common causes include failing ignition coils, spark plugs, or injectors. Avoid driving, especially under load, and arrange a diagnostic visit to isolate the faulty component and protect the emissions system. Use our schedule service tool for prompt attention.

• Likely sources: coil-on-plug, plug wear, injector faults
• Consequence: catalyst overheating and potential failure
• Tow the vehicle if the light continues flashing

Herb Chambers Ford of Braintree operates as the official online destination for one of Massachusetts' leading Ford dealerships, helping customers confidently shop, finance, service, and maintain Ford vehicles. We support drivers throughout Braintree, Boston, Quincy, Weymouth, Dorchester, Medford, and nearby communities with diagnostics that go beyond a basic code read. Dealer tools (Ford IDS/FDRS) provide enhanced data, bi-directional controls, and guided test plans that generic readers can’t access, enabling accurate root-cause identification on your 2013 Ford Taurus. Book a convenient time with our online schedule service tool, and review current service specials before you arrive. Prefer directions or a digital estimate? Start online and we’ll confirm details, then coordinate an efficient visit to our Braintree service center.

We follow a structured, transparent process to solve check engine concerns efficiently on your 2013 Ford Taurus. First, we perform an initial OBD-II scan and review freeze-frame data to capture when the fault occurred. Next, we verify the symptom and run isolation testing based on the code family—this may include smoke/pressure testing for EVAP, sensor waveform analysis, intake/vacuum checks, ignition and fuel tests, and a road test under similar conditions. We confirm the failure, document results, and provide a written estimate before any repair. You decide the next step—repair now, or plan a return visit. Ready to move forward? Please schedule service online for your preferred time.

Many 2013 Ford Taurus vehicles share a familiar set of codes: P0442/P0456 (small EVAP leak—often a cap or hose), P0133/P0153 (oxygen sensor response), P0101 (MAF performance), P0171 (system too lean), P0300–P0306 (misfire), and P0420 (catalyst efficiency). Each points to a system, but root causes vary—e.g., a lean code may trace to an intake leak, sensor drift, or fuel delivery. Ignoring misfire or catalyst codes can overheat and damage the converter, escalating costs and risking an emissions failure. Address EVAP leaks early to avoid fuel odors and recurring MILs. Bring your 2013 Ford Taurus to Herb Chambers Ford of Braintree in Braintree for an accurate diagnosis — schedule service.