2019 Chevrolet Impala 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 2019 Chevrolet Impala?

  • It indicates the vehicle's onboard diagnostics detected an issue — anything from a loose gas cap to emissions, ignition, or sensor faults.
  • At Larry H. Miller Chevrolet Murray we diagnose the cause quickly using factory-grade tools and certified technicians so you get a clear repair plan and transparent pricing.
  • Choosing our dealership often costs less than independent shops because of efficient diagnostics, OEM parts, and service specials that reduce immediate and long-term ownership costs.
  • Warranty-covered repairs must be done at a certified dealership to preserve coverage; our technicians are factory trained and authorized to perform warranty work.
  • We offer service financing so you can get repairs now and pay over time. To book, please schedule service or view our service specials.

How long does a check engine light service take?

  • Most diagnostics for a 2019 Chevrolet Impala are completed within an hour; repairs vary by issue but we prioritize fast turnarounds without cutting corners.
  • Our shop at Larry H. Miller Chevrolet Murray uses streamlined check-in and parts channels to reduce downtime and provide clear ETA updates.
  • Time saved means immediate and long-term savings — avoiding extended damage that can raise future repair costs.
  • If your repair is covered under warranty it must be performed at a certified dealership to ensure proper parts and labor coverage.
  • To minimize waiting, schedule appointment online and check current offers on our service specials.

How much does a check engine light diagnostic cost for a 2019 Chevrolet Impala?

  • Diagnostic pricing can vary, but Larry H. Miller Chevrolet Murray offers transparent rates and frequent service specials to reduce your out-of-pocket expense.
  • We often cost less than independent shops when you factor in accurate diagnostics, correct OEM parts, and avoiding repeat visits — saving you money over time.
  • Financing options are available so you can get needed repairs now and pay later while protecting your vehicle’s longevity.
  • Remember, warranty repairs must be completed at a certified dealership to keep coverage valid and ensure proper parts and procedures.
  • For a fast, accurate quote and to schedule service, contact Larry H. Miller Chevrolet Murray or book online.

What is the most common reason for check engine light on a 2019 Chevrolet Impala?

  • Common causes include a loose or faulty gas cap, oxygen sensor failure, catalytic converter issues, misfires, or evaporative emissions faults.
  • Left unresolved, these can increase fuel use, damage engine components, and raise repair costs — our certified techs identify and fix root causes fast.
  • Using OEM parts and factory procedures at Larry H. Miller Chevrolet Murray helps prevent recurrence and preserves vehicle value.
  • We highlight both immediate savings and long-term value when recommending repairs and available discounts.
  • To book a diagnostic or explore promotions, schedule service or view our service specials.

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

  • Start with simple checks like ensuring the gas cap is secure; then have a certified technician run a full diagnostic to read codes and live data.
  • At Larry H. Miller Chevrolet Murray we use OEM scan tools to determine severity and next steps, so you avoid unnecessary repairs.
  • Immediate diagnosis saves money by preventing collateral damage and helps maintain fuel economy and performance.
  • We offer service financing, warranty support, and transparent estimates — warranty repairs must be performed at a certified dealership to remain valid.
  • To get a prompt, professional check, schedule service online and take advantage of our service specials.

2019 Chevrolet Impala Check Engine Light Reset

Resetting the check engine light on a 2019 Chevrolet Impala may seem simple, but a reset without proper diagnosis can mask an ongoing issue. At Larry H. Miller Chevrolet Murray in Murray, UT, our technicians first read diagnostic trouble codes with OEM-grade tools to determine whether a reset is appropriate. We explain findings in plain language, outline repair options, and show how OEM parts and factory procedures protect your vehicle’s performance and resale value. Using our transparent approach, customers benefit from immediate savings through accurate repairs and long-term savings by avoiding repeat visits caused by incomplete fixes. We also honor warranties only when repairs are performed at a certified dealership — giving you confidence in coverage and workmanship. You can take advantage of current service specials or schedule service online to reserve a convenient appointment. Our team provides clear cost estimates, timelines, and service financing options so you can get necessary work done now and pay later.

2019 Chevrolet Impala Check Engine Light Codes

Common check engine light codes for a 2019 Chevrolet Impala include P0420 (catalytic converter efficiency), P0300 (random/multiple misfires), P0171/P0174 (fuel trim issues), and oxygen sensor faults. Ignoring these codes can escalate repair costs: a bad oxygen sensor can reduce fuel economy and damage the catalytic converter, while misfires left unaddressed may harm pistons, catalytic components, or the ignition system. At Larry H. Miller Chevrolet Murray our certified technicians prioritize swift, accurate diagnostics with factory tools and offer transparent pricing and documented repair plans. Choosing dealership service often results in lower total ownership cost compared with repeated independent shop visits because we fix the root cause using OEM parts and factory procedures. We pride ourselves on customer convenience — online booking, comfortable waiting areas, and timely updates. Check our service specials or schedule service to get a professional diagnosis and protect your vehicle’s longevity.

Check Engine Light Flashing

A flashing check engine light on a 2019 Chevrolet Impala signals a potentially serious condition such as active misfires that can damage the catalytic converter or other engine components. This is an urgent indicator that you should stop driving if safe and have the vehicle inspected immediately. At Larry H. Miller Chevrolet Murray we treat flashing lights as priority service; our technicians perform immediate diagnostics, explain severity and repair options, and prioritize fast, reliable repairs to minimize further damage. We offer service financing, certified warranty repairs, and promotions through our service specials to reduce immediate costs while protecting long-term value. For urgent attention, schedule service online or contact our service team at Larry H. Miller Chevrolet Murray — we’ll provide clear next steps and a prompt appointment to get you back on the road safely.