2016 Lexus IS 350 Check Engine Light

Certified technicians, only the experts.
Frequently Asked Questions

Frequently Asked Questions

What does it mean when the check engine light comes on in a 2016 Lexus IS 350?

  • It signals that the vehicle's onboard diagnostics found an issue—anything from a loose gas cap to an oxygen sensor, ignition or emissions fault. Prompt diagnosis prevents small problems from becoming costly repairs.
  • At Herb Chambers Lexus of Hingham our factory-trained technicians use OEM-grade tools and genuine parts to ensure long-term reliability and maximum resale value.
  • We often cost less than independent shops when you factor in diagnostic accuracy, warranty protection, and long-term savings from correct repairs. Ask about our service financing to get repairs now and pay later.
  • To get a precise assessment, schedule service online or check our current service specials.

How long does a check engine light service take?

  • Most diagnostics are completed the same day; typical scan and initial diagnosis take about 60–90 minutes, while some repairs may take longer depending on parts and complexity.
  • Herb Chambers Lexus of Hingham provides transparent time estimates and prioritizes quick turnarounds with OEM parts, so you return to the road sooner with confidence.
  • We offer comfortable customer amenities and loaner options; you can also schedule appointment online to reserve a convenient slot.

How much does a check engine light diagnostic cost for a 2016 Lexus IS 350?

  • Diagnostic pricing varies by issue, but our competitive diagnostic fees reflect factory-grade testing and the expertise of certified Lexus technicians.
  • Choosing Herb Chambers Lexus of Hingham often yields immediate savings through accurate diagnosis, genuine parts, and repairs that avoid repeat visits—plus long-term value through proper fixes.
  • Ask our service team about financing options and current service specials to spread cost and maximize savings.

What is the most common reason for check engine light on a 2016 Lexus IS 350?

  • Common causes include a loose or faulty gas cap, failing oxygen sensors, ignition coil issues, and emissions-control faults. Addressing them early prevents catalytic converter damage and costly repairs.
  • Our certified diagnostics pinpoint root causes quickly; we replace components with OEM parts to protect engine performance and fuel economy.
  • Remember: repairs covered under warranty must be performed at a certified dealership to preserve coverage.

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

  • Check that the gas cap is securely tightened—it's an easy fix that resolves many codes. If the light persists or flashes, bring the vehicle in right away.
  • For peace of mind and proper diagnosis, schedule service at Herb Chambers Lexus of Hingham, where we combine speed, transparency, and OEM-care to protect your 2016 Lexus IS 350.

Check Engine Light Flashing

A flashing check engine light in your 2016 Lexus IS 350 indicates a potentially severe misfire or condition that can cause catalytic converter damage or unsafe running. Because misfires can lead to overheating, poor fuel economy, and accelerated wear, it’s critical to stop driving if the light flashes and have the vehicle inspected immediately. At Herb Chambers Lexus of Hingham in Hingham, MA, our factory-trained technicians prioritize safety and rapid diagnosis: we use OEM-grade scanners and live-data analysis to identify ignition, fuel delivery, or sensor faults quickly. We also explain repair options clearly and provide up-front estimates so you can weigh immediate and long-term costs. Take advantage of our current service specials and ask about service financing so you can get repairs now and pay later. For urgent care, schedule service online and protect your engine and catalytic converter while experiencing premium dealership service.

2016 Lexus IS 350 Check Engine Light Codes

Common codes for the 2016 Lexus IS 350 include P0420 (catalyst system efficiency), P0300–P0306 (engine misfires), P0171/P0174 (fuel trim lean conditions), and oxygen sensor codes (P0130–P0167). Ignoring these can escalate repair costs: a loose gas cap is inexpensive, but unchecked misfires can damage the catalytic converter—a repair that can be several times the cost of the initial fix. At Herb Chambers Lexus of Hingham we emphasize accurate diagnosis to avoid unnecessary parts replacement. Our service advisors walk you through code meanings, the cost to correct the underlying issue, and the immediate and long-term savings of dealer-performed repairs using OEM parts and warranty-backed labor. We offer comfortable waiting areas, efficient turnarounds, and loyalty incentives. To protect your 2016 Lexus IS 350 and minimize downtime, check available service specials and schedule appointment online—our certified technicians and transparent pricing deliver value and peace of mind.

2016 Lexus IS 350 Check Engine Light Reset

Resetting the check engine light on a 2016 Lexus IS 350 is straightforward technically but should follow a correct diagnosis. Clearing codes without fixing the root cause can mask issues and lead to repeat failures and greater expense. At Herb Chambers Lexus of Hingham, we explain why dealership service is the better choice: we use OEM diagnostic procedures so resets are tied to confirmed repairs and covered by dealership warranty where applicable. Warranty-covered repairs must be completed at a certified dealership to retain coverage. We also provide itemized repair orders, genuine Lexus parts, and technician certifications that independent shops may not offer. If you need an immediate reset after a verified repair, our team will perform it and monitor vehicle readiness status to ensure long-term reliability. Take advantage of our transparent pricing, the convenience of online booking, and available service specials. When you’re ready, schedule service at Herb Chambers Lexus of Hingham to keep your 2016 Lexus IS 350 performing at its best.