What Is The Cost Of A Free Diagnostic Check For Car Near Me?

Are you wondering about getting a free diagnostic check for your car near me? At CAR-TOOL.EDU.VN, we provide insight into the world of automotive diagnostics, helping you understand what’s involved and how to find reliable service. Discover how diagnostic checks work, what they reveal, and where you can access dependable car diagnostic services to keep your vehicle running smoothly. The best way to make sure your vehicle is well maintained is by performing regular check-ups and finding quality auto repair facilities.

1. Understanding Car Diagnostic Checks

What does a car diagnostic check involve, and why is it essential for modern vehicles? Modern cars are equipped with sophisticated computer systems that monitor various aspects of the vehicle’s performance. A diagnostic check involves connecting a specialized scanner to the car’s onboard computer to read Diagnostic Trouble Codes (DTCs). These codes indicate potential issues with the engine, transmission, brakes, and other systems. According to a study by the National Institute for Automotive Service Excellence (ASE), identifying problems early through diagnostic checks can prevent costly repairs down the road.

1.1. The Role of Onboard Diagnostics (OBD)

How do onboard diagnostic systems contribute to vehicle maintenance and repair? Onboard Diagnostics (OBD) systems are integrated into modern vehicles to monitor performance and detect malfunctions. These systems use sensors to track engine parameters, emissions, and other critical functions. When a problem is detected, the OBD system generates a DTC, which can be accessed using a diagnostic scanner. A report by the Environmental Protection Agency (EPA) highlights the importance of OBD systems in ensuring vehicles meet emission standards and operate efficiently.

1.2. Decoding Diagnostic Trouble Codes (DTCs)

What information can be gleaned from Diagnostic Trouble Codes, and how are they interpreted by technicians? Diagnostic Trouble Codes (DTCs) are alphanumeric codes that provide specific information about potential issues within a vehicle. For example, a code like “P0300” might indicate a random misfire in the engine. Technicians use these codes as a starting point to diagnose the root cause of the problem. According to research from the Society of Automotive Engineers (SAE), standardized DTCs ensure consistency in diagnostics across different vehicle makes and models.

1.3. The Benefits of Regular Diagnostic Checks

Why should car owners consider regular diagnostic checks as part of their vehicle maintenance routine? Regular diagnostic checks offer several benefits, including early detection of potential problems, improved fuel efficiency, and enhanced vehicle performance. By identifying issues before they escalate, car owners can save money on costly repairs and ensure their vehicle operates safely. A study by AAA found that preventative maintenance, including diagnostic checks, can significantly reduce the likelihood of breakdowns and unexpected repair bills.

2. Identifying the Need for a Diagnostic Check

What are the common symptoms or warning signs that indicate your car may benefit from a diagnostic check? Several warning signs can indicate the need for a diagnostic check, such as the check engine light illuminating on the dashboard, decreased fuel efficiency, rough idling, stalling, hesitation during acceleration, unusual noises, or changes in vehicle performance. Ignoring these symptoms can lead to more significant problems and costly repairs. According to Consumer Reports, addressing these issues promptly can extend the life of your vehicle and maintain its resale value.

2.1. The Check Engine Light: A Key Indicator

What should you do when the check engine light comes on, and how seriously should you take this warning sign? The check engine light is a crucial indicator of potential issues with your car’s engine or related systems. While it can sometimes indicate a minor problem, such as a loose gas cap, it can also signal more severe issues that require immediate attention. When the check engine light comes on, it’s essential to have your vehicle inspected by a qualified technician to diagnose the underlying cause. According to a survey by the Car Care Council, many drivers delay addressing check engine light warnings, which can lead to more extensive and expensive repairs.

2.2. Performance Issues: Recognizing the Symptoms

What types of performance issues might suggest the need for a diagnostic check, and how can they impact your driving experience? Performance issues such as decreased fuel efficiency, rough idling, stalling, hesitation during acceleration, and unusual noises can all indicate underlying problems that require a diagnostic check. These issues can not only affect your driving experience but also compromise the safety and reliability of your vehicle. A study by J.D. Power found that addressing performance issues promptly can improve overall customer satisfaction and reduce the likelihood of future breakdowns.

2.3. Preventative Maintenance: Proactive Diagnostic Checks

How can preventative diagnostic checks help maintain your car’s health and prevent future problems? Preventative diagnostic checks involve performing routine inspections to identify potential issues before they manifest into significant problems. By proactively monitoring your vehicle’s systems, you can catch minor issues early and address them before they cause more extensive damage. According to the National Highway Traffic Safety Administration (NHTSA), preventative maintenance, including diagnostic checks, can improve vehicle safety and reduce the risk of accidents.

3. Finding Free Diagnostic Checks Near You

Where can you typically find free diagnostic checks for your car, and what are the pros and cons of each option? Several options are available for obtaining free diagnostic checks, including auto parts stores, some repair shops, and promotional events. However, it’s essential to weigh the pros and cons of each option before making a decision. While free checks can provide a quick assessment of potential problems, they may not offer the comprehensive analysis and expertise of a professional diagnostic service. According to a survey by AutoMD, many car owners rely on auto parts stores for free diagnostic checks but often seek professional help for more complex issues.

3.1. Auto Parts Stores: A Convenient Option

What do auto parts stores typically offer in terms of free diagnostic checks, and what are the limitations of this service? Auto parts stores often offer free diagnostic checks as a customer service to attract business and sell parts. These checks typically involve using a handheld scanner to read DTCs and provide a basic assessment of potential problems. However, the limitations of this service include the lack of in-depth analysis, limited expertise, and potential for biased recommendations. A report by Consumer Reports cautions against relying solely on auto parts stores for diagnostic checks, as they may not provide the same level of accuracy and expertise as a professional repair shop.

3.2. Repair Shops: Comprehensive Diagnostic Services

What advantages do repair shops offer in terms of diagnostic checks, and why might it be worth paying for their expertise? Repair shops offer more comprehensive diagnostic services performed by trained technicians with specialized equipment and expertise. While these services may not be free, they provide a more thorough analysis of your vehicle’s systems, accurate diagnosis of underlying problems, and professional recommendations for repair. According to a study by AAA, using a reputable repair shop for diagnostic checks can save money in the long run by ensuring accurate diagnosis and effective repairs.

3.3. Promotional Events: Occasional Opportunities

How can you take advantage of promotional events offering free diagnostic checks, and what should you consider before participating? Promotional events, such as car shows, community events, and dealership promotions, may occasionally offer free diagnostic checks as a marketing tactic. These events can provide an opportunity to get a quick assessment of your vehicle’s health at no cost. However, it’s essential to consider the expertise of the technicians performing the checks, the limitations of the diagnostic equipment used, and the potential for sales pitches or biased recommendations. A report by the Better Business Bureau (BBB) advises consumers to research promotional events thoroughly and read reviews before participating to ensure they receive unbiased and professional service.

4. The Cost of Professional Diagnostic Services

What is the typical cost range for professional diagnostic services at reputable repair shops, and what factors influence the price? The cost of professional diagnostic services can vary depending on the complexity of the problem, the type of vehicle, and the location of the repair shop. Generally, diagnostic fees range from $75 to $150 per hour, with an average diagnostic check taking one to two hours. Factors that can influence the price include the use of advanced diagnostic equipment, the expertise of the technicians, and the reputation of the repair shop. According to a survey by RepairPal, comparing prices from multiple repair shops and asking for a detailed estimate before authorizing any work can help ensure you receive fair and transparent pricing.

4.1. Factors Affecting Diagnostic Costs

What specific factors can influence the cost of a diagnostic check, and how can you minimize these expenses? Several factors can affect the cost of a diagnostic check, including the type of diagnostic equipment used, the expertise of the technicians, the complexity of the problem, and the location of the repair shop. To minimize these expenses, consider obtaining quotes from multiple repair shops, asking for a detailed estimate before authorizing any work, and researching the reputation and expertise of the technicians. A report by Angie’s List recommends checking online reviews and asking for referrals from friends and family to find a reputable and affordable repair shop.

4.2. Understanding Diagnostic Fees

What do diagnostic fees typically cover, and how can you ensure you’re getting a fair value for your money? Diagnostic fees typically cover the cost of using diagnostic equipment, the time spent by technicians to diagnose the problem, and the expertise required to interpret the diagnostic results. To ensure you’re getting fair value for your money, ask for a detailed explanation of the diagnostic process, inquire about the qualifications and experience of the technicians, and request a written estimate before authorizing any work. According to the National Automobile Dealers Association (NADA), understanding what diagnostic fees cover and asking questions can help you make informed decisions and avoid unnecessary expenses.

4.3. Avoiding Hidden Costs and Scams

How can you protect yourself from hidden costs and scams when seeking diagnostic services, and what red flags should you watch out for? To protect yourself from hidden costs and scams, always get a written estimate before authorizing any work, ask for a detailed explanation of the diagnostic process, and be wary of repair shops that offer unrealistically low prices or pressure you into unnecessary repairs. Red flags to watch out for include vague or unclear explanations, refusal to provide a written estimate, and insistence on immediate repairs without proper diagnosis. A report by the Federal Trade Commission (FTC) advises consumers to research repair shops thoroughly, read reviews, and check for complaints before entrusting them with their vehicle.

5. Performing a DIY Diagnostic Check

What tools and knowledge are required to perform a DIY diagnostic check, and what are the limitations of this approach? Performing a DIY diagnostic check can be a cost-effective way to identify potential problems with your car, but it requires the right tools, knowledge, and expertise. Essential tools include a diagnostic scanner, a multimeter, and a repair manual specific to your vehicle. Additionally, you’ll need a basic understanding of automotive systems, DTCs, and diagnostic procedures. However, the limitations of this approach include the risk of misdiagnosis, the potential for causing further damage, and the lack of access to advanced diagnostic equipment and expertise. According to a survey by the Automotive Aftermarket Industry Association (AAIA), most car owners prefer to rely on professional technicians for diagnostic services due to the complexity and technical nature of modern vehicles.

5.1. Essential Tools for DIY Diagnostics

What tools are essential for performing a basic DIY diagnostic check, and where can you acquire them? Essential tools for performing a DIY diagnostic check include a diagnostic scanner, a multimeter, a socket set, a wrench set, and a repair manual specific to your vehicle. Diagnostic scanners can be purchased online or at auto parts stores, with prices ranging from $50 to $500 depending on the features and capabilities. Multimeters are used to measure voltage, current, and resistance in electrical circuits and can be purchased for around $20 to $100. Socket and wrench sets are essential for disassembling and reassembling vehicle components and can be purchased for around $50 to $200. Repair manuals provide detailed information on vehicle systems, diagnostic procedures, and repair instructions and can be purchased online or at auto parts stores.

5.2. Understanding Automotive Systems

What basic knowledge of automotive systems is necessary to perform a DIY diagnostic check effectively, and how can you acquire this knowledge? To perform a DIY diagnostic check effectively, you’ll need a basic understanding of automotive systems such as the engine, transmission, brakes, electrical system, and emissions system. This knowledge can be acquired through online courses, automotive repair manuals, and hands-on experience. Online courses offer structured learning and cover a wide range of topics, from basic maintenance to advanced diagnostics. Automotive repair manuals provide detailed information on vehicle systems, diagnostic procedures, and repair instructions. Hands-on experience is invaluable for developing practical skills and troubleshooting techniques.

5.3. Safety Precautions for DIY Diagnostics

What safety precautions should you take when performing a DIY diagnostic check, and how can you avoid injury or damage to your vehicle? When performing a DIY diagnostic check, it’s essential to take safety precautions to avoid injury or damage to your vehicle. Always wear safety glasses and gloves to protect your eyes and hands from chemicals and sharp objects. Disconnect the battery before working on electrical components to prevent electrical shock. Use jack stands to support the vehicle when working underneath to prevent it from falling. Follow the instructions in the repair manual carefully and never attempt repairs beyond your skill level. A report by the National Safety Council (NSC) recommends taking a defensive driving course and practicing safe maintenance procedures to reduce the risk of accidents and injuries.

6. Choosing a Reputable Repair Shop

What factors should you consider when choosing a reputable repair shop for diagnostic services, and how can you ensure you’re getting quality service? Choosing a reputable repair shop is crucial for ensuring accurate diagnosis, effective repairs, and fair pricing. Factors to consider include the shop’s reputation, the qualifications and experience of the technicians, the availability of advanced diagnostic equipment, and the shop’s commitment to customer service. You can research repair shops online, read reviews, check for certifications, and ask for referrals from friends and family. According to a survey by Consumer Reports, choosing a repair shop with a good reputation and qualified technicians can significantly improve customer satisfaction and reduce the likelihood of repeat repairs.

6.1. Researching Repair Shops Online

How can online resources help you research repair shops and assess their reputation and quality of service? Online resources such as Google Reviews, Yelp, Angie’s List, and the Better Business Bureau (BBB) can provide valuable insights into repair shops and their reputation. You can read reviews from other customers, check for ratings and certifications, and assess the shop’s responsiveness to customer inquiries. Additionally, you can use online forums and social media groups to ask for recommendations and gather feedback from other car owners. According to a study by J.D. Power, online reviews and ratings have a significant impact on consumer decisions when choosing a repair shop.

6.2. Checking for Certifications and Affiliations

What certifications and affiliations should you look for when choosing a repair shop, and what do they indicate about the shop’s expertise and professionalism? Certifications and affiliations such as ASE (Automotive Service Excellence) certification, AAA Approved Auto Repair, and membership in professional organizations such as the Automotive Service Association (ASA) indicate a repair shop’s commitment to quality, expertise, and professionalism. ASE certification demonstrates that the technicians have met industry standards for knowledge and skill, while AAA approval ensures that the shop meets stringent requirements for customer service, facility standards, and technician qualifications. Membership in professional organizations indicates that the shop adheres to ethical business practices and stays up-to-date on the latest industry trends and technologies.

6.3. Asking for Referrals and Recommendations

How can referrals and recommendations from friends, family, and other car owners help you find a trustworthy repair shop? Asking for referrals and recommendations from friends, family, and other car owners is a great way to find a trustworthy repair shop with a proven track record of quality service. These personal recommendations provide valuable insights into the shop’s reputation, customer service, and expertise. You can also ask for recommendations from local car clubs, online forums, and social media groups. According to a survey by Nielsen, personal recommendations are among the most trusted sources of information for consumers when choosing a service provider.

7. Understanding the Diagnostic Process

What steps are involved in a typical diagnostic check at a repair shop, and how can you ensure you understand the process? A typical diagnostic check at a repair shop involves several steps, including interviewing the customer about the symptoms and issues, performing a visual inspection of the vehicle, connecting a diagnostic scanner to read DTCs, analyzing the diagnostic results, performing further testing to confirm the diagnosis, and providing a written estimate for repairs. To ensure you understand the process, ask the technician to explain each step, inquire about the diagnostic equipment used, and request a detailed explanation of the diagnostic results. According to the Car Care Council, understanding the diagnostic process can help you make informed decisions and avoid unnecessary repairs.

7.1. Interviewing the Customer

Why is it important for the technician to interview the customer about the symptoms and issues before performing a diagnostic check? Interviewing the customer about the symptoms and issues is a crucial step in the diagnostic process, as it provides valuable insights into the potential problems and helps the technician focus their efforts. The customer can provide information about the specific symptoms they’ve experienced, the frequency and duration of the issues, and any recent events or repairs that may be relevant. This information helps the technician narrow down the possible causes of the problem and develop a targeted diagnostic strategy.

7.2. Visual Inspection of the Vehicle

What does a visual inspection of the vehicle involve, and what types of issues can it uncover? A visual inspection of the vehicle involves examining the engine compartment, undercarriage, and interior for any obvious signs of damage, leaks, or wear. The technician may check fluid levels, inspect belts and hoses, examine the tires and brakes, and look for any unusual noises or smells. A visual inspection can uncover a variety of issues, such as fluid leaks, worn belts, damaged hoses, corroded wiring, and brake problems.

7.3. Analyzing Diagnostic Results

How do technicians analyze diagnostic results and use them to identify the root cause of the problem? Technicians analyze diagnostic results by interpreting the DTCs generated by the diagnostic scanner and comparing them to the vehicle’s repair manual and technical databases. The DTCs provide information about the specific systems or components that are experiencing problems, and the technician uses this information to develop a diagnostic strategy. They may perform further testing, such as component testing, circuit testing, and sensor testing, to confirm the diagnosis and identify the root cause of the problem.

8. Interpreting Diagnostic Results

How can you interpret diagnostic results and understand the recommendations provided by the repair shop? Interpreting diagnostic results can be challenging, but understanding the basic concepts can help you make informed decisions about your vehicle’s repairs. The diagnostic results typically include a list of DTCs, along with a description of the potential problems associated with each code. The repair shop should provide a detailed explanation of the diagnostic results, including the likely cause of the problem, the recommended repairs, and the estimated cost. If you’re unsure about anything, don’t hesitate to ask questions and seek clarification. According to the National Institute for Automotive Service Excellence (ASE), understanding the diagnostic results can empower you to make informed decisions and ensure your vehicle is properly repaired.

8.1. Understanding Diagnostic Reports

What information is typically included in a diagnostic report, and how can you use it to understand your car’s issues? A diagnostic report typically includes the vehicle’s identification information, a list of DTCs, a description of the potential problems associated with each code, and the repair shop’s recommendations for repairs. You can use this information to understand the specific issues affecting your car, the potential causes of the problems, and the recommended solutions. If you have any questions or concerns, don’t hesitate to ask the repair shop for clarification.

8.2. Evaluating Repair Recommendations

How can you evaluate repair recommendations and determine whether they are necessary and appropriate for your vehicle? Evaluating repair recommendations involves assessing the severity of the problem, the potential consequences of not addressing it, and the estimated cost of the repairs. You can ask the repair shop to provide a detailed explanation of the recommended repairs, including the parts and labor involved, and to justify the need for each repair. If you’re unsure about anything, consider getting a second opinion from another repair shop.

8.3. Seeking Second Opinions

When should you consider seeking a second opinion on diagnostic results and repair recommendations, and how can you find a trustworthy second opinion? You should consider seeking a second opinion on diagnostic results and repair recommendations if you’re unsure about the diagnosis, the recommended repairs, or the estimated cost. Getting a second opinion can provide valuable reassurance and help you make informed decisions about your vehicle’s repairs. You can find a trustworthy second opinion by asking for referrals from friends and family, checking online reviews, and researching repair shops with ASE certification and a good reputation.

9. Maintaining Your Vehicle’s Health

What steps can you take to maintain your vehicle’s health and prevent future diagnostic issues? Maintaining your vehicle’s health involves following a regular maintenance schedule, addressing minor issues promptly, and seeking professional diagnostic services when needed. A regular maintenance schedule typically includes oil changes, filter replacements, fluid checks, tire rotations, and brake inspections. Addressing minor issues promptly, such as fluid leaks, worn belts, and brake problems, can prevent them from escalating into more significant problems. Seeking professional diagnostic services when needed, such as when the check engine light comes on or when you experience performance issues, can help identify potential problems early and prevent costly repairs. According to the Car Care Council, following a regular maintenance schedule and addressing minor issues promptly can extend the life of your vehicle and save you money in the long run.

9.1. Following a Regular Maintenance Schedule

Why is it important to follow a regular maintenance schedule, and what should it typically include? Following a regular maintenance schedule is essential for maintaining your vehicle’s health and preventing future diagnostic issues. A regular maintenance schedule typically includes oil changes, filter replacements, fluid checks, tire rotations, and brake inspections. These services help keep your vehicle running smoothly, improve fuel efficiency, and extend its lifespan. You can find the recommended maintenance schedule for your vehicle in the owner’s manual or by consulting a qualified mechanic.

9.2. Addressing Minor Issues Promptly

How can addressing minor issues promptly help prevent future diagnostic problems and save you money in the long run? Addressing minor issues promptly, such as fluid leaks, worn belts, and brake problems, can prevent them from escalating into more significant problems and save you money in the long run. Small problems can often be fixed relatively inexpensively, while neglecting them can lead to more extensive damage and costly repairs. By addressing minor issues promptly, you can keep your vehicle running smoothly and avoid future diagnostic problems.

9.3. Seeking Professional Diagnostic Services

When should you seek professional diagnostic services, and how can they help maintain your vehicle’s health? You should seek professional diagnostic services when needed, such as when the check engine light comes on or when you experience performance issues. Professional diagnostic services can help identify potential problems early and prevent costly repairs. Qualified mechanics have the tools and expertise to diagnose complex issues and provide effective solutions. By seeking professional diagnostic services when needed, you can maintain your vehicle’s health and ensure it’s running safely and efficiently.

10. The Future of Car Diagnostics

What advancements are expected in the field of car diagnostics in the coming years, and how will they impact vehicle maintenance and repair? The field of car diagnostics is constantly evolving, with advancements expected in areas such as remote diagnostics, predictive maintenance, and artificial intelligence (AI). Remote diagnostics will allow technicians to diagnose and repair vehicles remotely, reducing the need for physical visits to the repair shop. Predictive maintenance will use data analytics and machine learning to predict when components are likely to fail, allowing for proactive maintenance and preventing breakdowns. AI-powered diagnostic tools will assist technicians in diagnosing complex issues more quickly and accurately. These advancements will transform the way vehicles are maintained and repaired, making the process more efficient, convenient, and cost-effective.

10.1. Remote Diagnostics

How will remote diagnostics transform the way vehicles are diagnosed and repaired, and what benefits will they offer? Remote diagnostics will allow technicians to diagnose and repair vehicles remotely, reducing the need for physical visits to the repair shop. This technology will enable technicians to access vehicle data, perform diagnostic tests, and even reprogram control modules from a remote location. Remote diagnostics will offer several benefits, including increased convenience, reduced downtime, and lower costs.

10.2. Predictive Maintenance

What is predictive maintenance, and how will it help prevent breakdowns and reduce maintenance costs? Predictive maintenance uses data analytics and machine learning to predict when components are likely to fail, allowing for proactive maintenance and preventing breakdowns. This technology relies on sensors and data collection systems to monitor vehicle performance and identify patterns that indicate impending failures. By predicting when components are likely to fail, predictive maintenance allows for scheduled maintenance and prevents costly breakdowns.

10.3. AI-Powered Diagnostic Tools

How will AI-powered diagnostic tools assist technicians in diagnosing complex issues, and what improvements will they bring to the diagnostic process? AI-powered diagnostic tools will assist technicians in diagnosing complex issues more quickly and accurately. These tools use machine learning algorithms to analyze vehicle data, identify patterns, and suggest potential solutions. AI-powered diagnostic tools can also access vast databases of repair information and technical data, providing technicians with the knowledge they need to diagnose even the most challenging problems.

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Woman talking with a Jiffy Lube technician about her car diagnostic test

Alt: A Jiffy Lube technician discusses diagnostic test results with a female customer, using car diagnostic service and computer scan results.

FAQ Section

1. What does a free diagnostic check for my car actually involve?

A free car diagnostic check typically involves using an OBD II scanner to read diagnostic trouble codes (DTCs) from your vehicle’s computer, revealing potential issues with various systems like the engine, transmission, and emissions.

2. Are free diagnostic checks truly free, or are there hidden costs?

Many auto parts stores offer genuinely free diagnostic checks as a customer service to attract business, while others may try to upsell you on parts or services. Always clarify if there are any obligations before proceeding.

3. How accurate are the diagnostic checks performed at auto parts stores?

While auto parts stores can identify trouble codes, they may lack the in-depth knowledge and specialized equipment of a professional repair shop for accurate problem diagnosis.

4. What are the limitations of a free diagnostic check compared to a professional service?

Free diagnostic checks typically only provide basic trouble codes, whereas professional services involve comprehensive system analysis, component testing, and expert interpretation for a more accurate diagnosis.

5. Can a diagnostic check identify all problems with my car?

No, a diagnostic check primarily focuses on issues detectable by the vehicle’s computer system, and it may not uncover mechanical problems that don’t trigger error codes.

6. What should I do if the diagnostic check reveals a problem with my car?

If the diagnostic check reveals a problem, consult a qualified mechanic for a thorough inspection and repair estimate to address the issue effectively.

7. How often should I get a diagnostic check performed on my car?

Consider a diagnostic check whenever the check engine light illuminates or if you experience noticeable performance issues, but also include it as part of your regular maintenance routine.

8. Is it possible to perform a diagnostic check myself at home?

Yes, you can perform a DIY diagnostic check using an OBD II scanner, but it requires some technical knowledge and may not be as comprehensive as a professional service.

9. What are the key factors to consider when choosing a repair shop for diagnostic services?

Look for a repair shop with ASE-certified technicians, positive online reviews, a commitment to customer service, and transparent pricing for diagnostic services.

10. How can I interpret the results of a diagnostic check and understand the repair recommendations?

Ask the technician to explain the diagnostic report in detail, including the meaning of each trouble code, the recommended repairs, and the potential consequences of not addressing the issue.