2024 Subaru WRX 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 2024 Subaru WRX?

  • It signals the vehicle’s onboard diagnostics detected a problem—anything from a loose gas cap to an emission control or ignition issue.
  • At Mike Shaw Subaru Greeley, our certified technicians use OEM-level scanners to read codes and diagnose root causes quickly, often at lower cost than independent shops while delivering factory-trained expertise and long-term savings.
  • We recommend addressing the issue promptly to avoid higher repair costs later; unresolved problems can reduce fuel economy, damage the catalytic converter, or shorten engine life.
  • Any covered repairs under warranty must be completed at a certified dealership to preserve coverage; we also offer service financing so you can get service now and pay later.
  • To book, schedule service and check our service specials.

How long does a check engine light service take?

  • Simple diagnostics can take 30–60 minutes; more complex issues may require up to a few hours for thorough testing and road verification.
  • At Mike Shaw Subaru Greeley we streamline check-ins and use factory tools to reduce downtime—get fast, accurate results without unnecessary delay.
  • We provide clear estimates and explain immediate and long-term savings from proper repairs, using OEM parts and warranty-backed workmanship.
  • Service financing is available so you can address urgent repairs immediately and pay over time.
  • To minimize wait, schedule appointment now and review our current service specials.

How much does a check engine light diagnostic cost for a 2024 Subaru WRX?

  • Diagnostic fees vary by issue, but our dealership often costs less than independent shops while providing factory-level tools, certified technicians, and warranty protection—delivering better value and long-term savings.
  • Simple code reads can be very affordable; we provide transparent pricing up front and won’t proceed without your approval.
  • Remember that timely diagnostics can prevent costly repairs like catalytic converter replacement, saving you money over time.
  • We offer service financing and regularly post discounts—see our service specials for current offers.
  • Ready to check your vehicle? Schedule service at Mike Shaw Subaru Greeley and experience certified care.

What is the most common reason for check engine light on a 2024 Subaru WRX?

  • Common causes include oxygen sensor faults, ignition misfires, catalytic converter issues, or small vacuum/EVAP leaks—many are caught quickly with a proper diagnostic.
  • Ignoring these warnings often leads to decreased fuel economy, worsened performance, and expensive repairs; our team explains risks and repair timelines clearly so you can make informed choices that save money long-term.
  • We prioritize OEM parts and certified technicians to protect vehicle longevity and warranty coverage.
  • We also offer battery testing and replacement services for related starting or electrical symptoms—handled efficiently at our service center.
  • To schedule and protect your Subaru, schedule service and see our service specials.

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

  • Start with the basics: ensure the gas cap is tight and inspect for obvious issues (smoke, major performance loss). A loose cap can trigger emission codes.
  • For accurate diagnosis, bring your 2024 Subaru WRX to Mike Shaw Subaru Greeley—our technicians use OEM diagnostic tools to identify the exact code and advise the most cost-effective repair path.
  • We emphasize clear estimates, OEM parts, warranty protection, and the immediate/long-term savings of correct repairs versus quick resets.
  • Remember, covered warranty work must be done at a certified dealership to remain valid; we also provide service financing if needed.
  • Book now to protect your vehicle: schedule service and check available service specials.

Check Engine Light Flashing

When the check engine light is flashing in a 2024 Subaru WRX, it typically indicates an active misfire that can allow unburned fuel into the exhaust stream—this risks severe catalytic converter damage and accelerated engine wear. Immediate action is essential: stop driving if you notice a strong loss of power, repeated misfires, or loud backfiring. At Mike Shaw Subaru Greeley, our factory-trained technicians prioritize safety-first diagnostics and will perform a targeted inspection to identify misfire causes such as faulty ignition coils, spark plugs, fuel delivery issues, or serious sensor failures. We pair precise diagnostics with OEM parts and clear estimates so you understand both immediate repair costs and long-term savings from avoiding downstream failures. We also offer battery testing and replacement as part of our electrical system checks when symptoms suggest starting or charging problems. Take advantage of our current service specials and service financing to get repairs started right away. For urgent attention, schedule service online or contact Mike Shaw Subaru Greeley for priority care.

2024 Subaru WRX Check Engine Light Reset

Resetting the check engine light on a 2024 Subaru WRX is technically simple with an OBD-II scanner, but doing so without diagnosing the underlying cause can lead to repeated failures and possible warranty complications. At Mike Shaw Subaru Greeley we recommend a full diagnostic before any reset: our technicians will read and interpret trouble codes, test related systems, and present recommended repairs using OEM parts to ensure proper function and longevity. We emphasize dealership transparency—detailed estimates, documented findings, and explanations of how each repair preserves performance and resale value. Certified repairs performed here protect your factory warranty; any warranty-covered repairs must be completed at an authorized dealership to remain valid. We also provide service financing so you can address required maintenance immediately and spread payments over time. Take advantage of our specialist knowledge of Subaru engines and systems—schedule service and review our service specials to maximize value.

2024 Subaru WRX Check Engine Light Codes

Common check engine light codes for the 2024 Subaru WRX include oxygen sensor faults (P0130–P0167), catalytic converter efficiency (P0420), misfire codes (P0300–P0304), and EVAP/evaporative system leaks (P0440–P0456). Each has implications: untreated O2 sensor or EVAP faults reduce fuel economy and emissions compliance; ignored misfires can quickly ruin a catalytic converter (a repair that can cost thousands); and unresolved catalyst issues may lead to failed emissions tests and decreased performance. Mike Shaw Subaru Greeley in Greeley, CO, provides localized, certified diagnostics using OEM software so we identify and remediate the precise root cause—often at a lower total cost than independent shops because we prevent repeat failures and protect major components. We explain repair options, warranty coverage, and long-term savings from OEM parts and proper repairs. For convenience, quick turnarounds, and dealer-backed service, schedule service and browse our service specials before your visit.