Can Advance Auto Read Codes? A Comprehensive Guide

Can Advance Auto Read Codes? Yes, advance auto parts stores typically offer free code reading services to help diagnose your vehicle’s check engine light issues. This service, coupled with the right diagnostic tools, can be an invaluable resource for both seasoned mechanics and car owners. At CAR-TOOL.EDU.VN, we help you find parts information and repair tools, from diagnostic code readers to essential components, ensuring your vehicle runs smoothly and efficiently. Explore our extensive guides, compare products, and read user reviews to make informed decisions about your auto repair needs, focusing on enhancing automotive diagnostics and repair efficiency with OBD-II scanners and diagnostic tools.

1. Understanding Advance Auto’s Code Reading Services

Advance Auto Parts provides a free service where they use an OBD-II (On-Board Diagnostics II) scanner to read the diagnostic trouble codes (DTCs) from your vehicle’s computer. According to the Environmental Protection Agency (EPA), all cars and light trucks manufactured since 1996 are required to have an OBD-II system. This system monitors various engine and vehicle parameters, and when it detects a problem, it stores a DTC in the vehicle’s computer, which illuminates the check engine light.

1.1. How the Service Works

When you visit an Advance Auto Parts store with a lit check engine light, a store employee will connect an OBD-II scanner to your vehicle’s diagnostic port, usually located under the dashboard. The scanner retrieves the stored DTC(s), which are then displayed on the scanner’s screen. The employee will provide you with the code(s) and a printout that includes a brief description of what the code signifies. It’s a fast and easy way to understand what part of your vehicle requires attention.

1.2. Limitations of the Free Service

While the free code reading service is helpful, it’s important to understand its limitations. Advance Auto Parts employees are not trained mechanics, and their service is limited to reading and providing the DTC. They cannot diagnose the underlying cause of the problem or perform repairs. The DTC provides a starting point, but further diagnostics may be needed to pinpoint the exact issue. For example, a DTC indicating a faulty oxygen sensor could be due to the sensor itself, a wiring problem, or an issue with the engine’s fuel mixture. This is where the expertise of a trained mechanic becomes invaluable.

1.3. The Value of a Diagnostic Trouble Code (DTC)

A DTC is like a clue in a detective story; it points you in a general direction but doesn’t solve the mystery outright. The DTC is a five-character code consisting of a letter followed by four numbers. The letter indicates the system the code relates to:

• P – Powertrain (engine, transmission)
• B – Body (interior, airbags, etc.)
• C – Chassis (brakes, suspension, etc.)
• U – Network (communication systems)

The numbers provide more specific information about the fault. For example, a P0300 code indicates a random or multiple cylinder misfire, while a P0171 code suggests a lean fuel mixture.

1.4. Considerations When Using the Service

Keep in mind that simply clearing the code without addressing the underlying issue is not a solution. The check engine light will likely reappear if the problem persists. It’s also essential to note that some DTCs can have multiple potential causes, so a thorough diagnosis is crucial. When you get your codes read at Advance Auto Parts, consider it a first step in identifying and resolving your vehicle’s problem. CAR-TOOL.EDU.VN can help you navigate the next steps with detailed guides and access to quality repair tools.

2. The Importance of OBD-II Scanners for DIY Car Repair

For car enthusiasts and DIY mechanics, owning an OBD-II scanner can be a game-changer. These scanners offer a wealth of information about your vehicle’s health, allowing you to diagnose problems, perform maintenance, and even improve performance. According to a study by the National Institute for Automotive Service Excellence (ASE), technicians who use diagnostic tools effectively can reduce diagnostic time by up to 50%.

2.1. Benefits of Owning an OBD-II Scanner

• Cost Savings: As mentioned earlier, a shop might charge $75-105 for just a scan. Owning your own scanner allows you to read and clear codes yourself, saving money on diagnostic fees.
• Early Detection: Regular scans can help you identify potential problems early, before they turn into costly repairs.
• Informed Decision Making: Knowing the DTC before visiting a mechanic allows you to research the issue and discuss it more knowledgeably, preventing unnecessary repairs.
• Performance Monitoring: Many scanners can monitor engine parameters in real-time, helping you optimize performance and fuel efficiency.
• DIY Repairs: With the right tools and knowledge, you can perform many repairs yourself, further saving money.

2.2. Types of OBD-II Scanners

OBD-II scanners range from basic code readers to advanced diagnostic tools with extensive features. Here are a few common types:

• Basic Code Readers: These are the simplest and most affordable scanners, typically displaying DTCs and providing a brief description. They can usually clear codes as well.
• Mid-Range Scanners: These offer additional features like live data streaming, freeze frame data (which captures engine parameters when the DTC was triggered), and sometimes ABS and SRS code reading.
• Professional-Grade Scanners: These are the most advanced scanners, often used by professional mechanics. They offer comprehensive diagnostics, bidirectional controls (allowing you to command certain functions), advanced coding, and access to vehicle-specific information.
• Smartphone-Based Scanners: These scanners connect to your smartphone or tablet via Bluetooth or Wi-Fi and use an app to display data. They can offer similar features to mid-range scanners at a lower price point.

2.3. Key Features to Look For

When choosing an OBD-II scanner, consider the following features:

• Compatibility: Ensure the scanner is compatible with your vehicle’s make and model. Most scanners support all OBD-II compliant vehicles (1996 and newer), but some may have limited support for certain makes or models.
• Code Definitions: A good scanner should provide clear and concise code definitions. Some scanners even offer access to a database of repair information.
• Live Data: Live data streaming allows you to monitor engine parameters in real-time, which can be invaluable for diagnosing intermittent problems.
• Freeze Frame Data: Freeze frame data captures engine parameters when the DTC was triggered, providing clues about the conditions that caused the problem.
• Bidirectional Controls: Bidirectional controls allow you to command certain functions, such as turning on the cooling fan or activating the fuel pump. This can be helpful for testing components.
• Updateability: An updateable scanner ensures that it can support newer vehicles and updated DTCs.
• Ease of Use: Choose a scanner with a user-friendly interface and clear instructions.

2.4. Top OBD-II Scanner Brands

Several reputable brands offer high-quality OBD-II scanners. Some popular options include:

• Actron: Known for their reliable and affordable scanners, Actron is a popular choice for DIYers. The Actron CP9600 is a particularly popular model.
• Autel: Autel offers a wide range of scanners, from basic code readers to advanced diagnostic tools. The Autel MaxiSys series is popular among professional mechanics.
• Innova: Innova scanners are known for their user-friendly interface and extensive features.
• BlueDriver: The BlueDriver is a smartphone-based scanner that offers professional-grade diagnostics at an affordable price.

2.5. Ethical Considerations

It’s essential to use OBD-II scanners responsibly and ethically. Avoid clearing codes without addressing the underlying issue, as this can mask problems and potentially lead to more severe damage. Also, be mindful of privacy concerns when using smartphone-based scanners, as some may collect and transmit vehicle data.

3. Decoding Common Diagnostic Trouble Codes (DTCs)

Understanding what common DTCs mean can empower you to tackle basic repairs and make informed decisions about more complex issues. Here are some frequently encountered DTCs and their potential causes. This information is backed by data from the Society of Automotive Engineers (SAE), which standardizes OBD-II codes.

3.1. P0300: Random/Multiple Cylinder Misfire Detected

A P0300 code indicates that the engine is misfiring, meaning that one or more cylinders are not firing correctly. This can cause rough idling, reduced power, and poor fuel economy.

Potential Causes:

• Faulty spark plugs
• Faulty ignition coils
• Faulty fuel injectors
• Vacuum leaks
• Low compression
• Timing issues

Troubleshooting Steps:

1. Check spark plugs for wear or damage.
2. Test ignition coils using a multimeter.
3. Inspect fuel injectors for proper operation.
4. Check for vacuum leaks using a smoke machine or carburetor cleaner.
5. Perform a compression test to check cylinder health.

3.2. P0171: System Too Lean (Bank 1)

A P0171 code indicates that the engine’s air-fuel mixture is too lean, meaning there is too much air and not enough fuel. This can cause reduced power, hesitation, and poor fuel economy.

Potential Causes:

• Vacuum leaks
• Faulty oxygen sensor
• Faulty mass airflow (MAF) sensor
• Low fuel pressure
• Clogged fuel filter
• Faulty fuel injectors

Troubleshooting Steps:

1. Check for vacuum leaks using a smoke machine or carburetor cleaner.
2. Test the oxygen sensor using a multimeter.
3. Inspect the MAF sensor for contamination.
4. Check fuel pressure using a fuel pressure gauge.
5. Replace the fuel filter if clogged.

3.3. P0420: Catalyst System Efficiency Below Threshold (Bank 1)

A P0420 code indicates that the catalytic converter is not functioning efficiently enough to reduce emissions. This can cause the check engine light to come on and may result in failing an emissions test.

Potential Causes:

• Faulty catalytic converter
• Faulty oxygen sensors
• Exhaust leaks
• Engine misfires
• Oil contamination

Troubleshooting Steps:

1. Check oxygen sensors for proper operation.
2. Inspect the exhaust system for leaks.
3. Address any engine misfires.
4. Check for oil contamination in the exhaust system.

3.4. P0301: Cylinder 1 Misfire Detected

This is similar to P0300, but specifically identifies that the misfire is occurring in cylinder 1.

Potential Causes:

• Faulty spark plug in cylinder 1
• Faulty ignition coil in cylinder 1
• Faulty fuel injector in cylinder 1
• Low compression in cylinder 1

Troubleshooting Steps:

1. Check the spark plug in cylinder 1 for wear or damage.
2. Test the ignition coil in cylinder 1 using a multimeter.
3. Inspect the fuel injector in cylinder 1 for proper operation.
4. Perform a compression test on cylinder 1.

3.5. P0113: Intake Air Temperature Sensor Circuit High Input

This code indicates that the Intake Air Temperature (IAT) sensor is reporting a high temperature reading to the engine control unit (ECU).

Potential Causes:

• Faulty IAT sensor
• Open circuit in the IAT sensor wiring
• Short to voltage in the IAT sensor wiring

Troubleshooting Steps:

1. Check the IAT sensor wiring for damage or corrosion.
2. Test the IAT sensor using a multimeter.
3. Replace the IAT sensor if faulty.

3.6. P0011: “A” Camshaft Position Timing – Over-Advanced or System Performance (Bank 1)

This code suggests there’s an issue with the camshaft timing on bank 1 of the engine.

Potential Causes:

• Low oil level or pressure
• Faulty camshaft position actuator
• Timing chain issues
• Faulty oil control valve

Troubleshooting Steps:

1. Check the engine oil level and pressure.
2. Inspect the camshaft position actuator for damage.
3. Check the timing chain for wear or looseness.
4. Test the oil control valve for proper operation.

3.7. P0401: Exhaust Gas Recirculation Flow Insufficient Detected

This code indicates that the EGR system is not allowing enough exhaust gas to recirculate back into the engine.

Potential Causes:

• Clogged EGR valve
• Clogged EGR passages
• Faulty EGR solenoid
• Vacuum leaks

Troubleshooting Steps:

1. Check the EGR valve for carbon buildup or blockage.
2. Clean the EGR passages if clogged.
3. Test the EGR solenoid for proper operation.
4. Check for vacuum leaks in the EGR system.

3.8. P0507: Idle Air Control System RPM Higher Than Expected

This code indicates that the engine’s idle speed is higher than the programmed level.

Potential Causes:

• Vacuum leaks
• Faulty idle air control (IAC) valve
• Throttle body issues
• Sticking throttle cable

Troubleshooting Steps:

1. Check for vacuum leaks.
2. Inspect the IAC valve for carbon buildup or damage.
3. Clean the throttle body.
4. Check the throttle cable for proper operation.

3.9. P0102: Mass or Volume Air Flow Circuit Low Input

This DTC means that the Mass Air Flow (MAF) sensor is sending a signal to the engine computer that indicates a lower than expected air flow.

Potential Causes:

• Contaminated MAF sensor
• Vacuum leaks
• Faulty MAF sensor wiring
• Restricted air intake

Troubleshooting Steps:

1. Inspect and clean the MAF sensor.
2. Check for vacuum leaks.
3. Inspect the MAF sensor wiring for damage.
4. Check the air filter and intake for restrictions.

3.10. P0135: O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)

This code indicates a problem with the heater circuit of the oxygen sensor located on bank 1, sensor 1. The heater is essential for the sensor to reach operating temperature quickly.

Potential Causes:

• Faulty oxygen sensor
• Open or short in the heater circuit wiring
• Faulty engine control unit (ECU)

Troubleshooting Steps:

1. Check the oxygen sensor heater circuit wiring for damage.
2. Test the oxygen sensor for proper operation.
3. Replace the oxygen sensor if faulty.

4. Beyond Code Reading: Advanced Diagnostic Techniques

While reading DTCs is a crucial first step, advanced diagnostic techniques are often necessary to pinpoint the root cause of a problem. These techniques require specialized tools, knowledge, and experience.

4.1. Live Data Analysis

Live data analysis involves monitoring engine parameters in real-time using an OBD-II scanner or diagnostic tool. By analyzing the data stream, you can identify anomalies that may not trigger a DTC. For example, a faulty oxygen sensor might exhibit sluggish response times or erratic readings, which would be evident in the live data stream.

Key Parameters to Monitor:

• Oxygen sensor readings
• Fuel trim values
• Mass airflow (MAF) sensor readings
• Engine coolant temperature
• Intake air temperature
• Throttle position
• Engine RPM
• Vehicle speed

4.2. Freeze Frame Data

Freeze frame data captures engine parameters at the moment a DTC was triggered. This data can provide valuable clues about the conditions that caused the problem. For example, if a P0300 code (random misfire) was triggered at high RPM and under heavy load, it might indicate a fuel delivery problem or an ignition issue.

4.3. Bidirectional Controls

Bidirectional controls allow you to command certain functions using a diagnostic tool. This can be helpful for testing components. For example, you might be able to activate the fuel pump, turn on the cooling fan, or cycle the EGR valve using bidirectional controls.

4.4. Oscilloscope Testing

An oscilloscope is a powerful tool for analyzing electrical signals. It can be used to test sensors, actuators, and other components. For example, an oscilloscope can be used to diagnose ignition coil problems, fuel injector issues, and sensor malfunctions.

4.5. Smoke Testing

A smoke machine is used to detect vacuum leaks in the intake system. The machine injects smoke into the system, and any leaks will be readily apparent.

4.6. Compression Testing

A compression test measures the pressure within each cylinder. Low compression can indicate worn piston rings, damaged valves, or a blown head gasket.

4.7. Fuel Pressure Testing

A fuel pressure gauge is used to measure fuel pressure. Low fuel pressure can indicate a faulty fuel pump, a clogged fuel filter, or a fuel pressure regulator issue.

4.8. Using a Multimeter

A multimeter is an essential tool for any DIY mechanic. It can be used to measure voltage, current, and resistance. A multimeter can be used to test sensors, actuators, and wiring. For example, you can test a battery, check the continuity of a wire, or measure the resistance of a sensor. According to a survey conducted by the American Automobile Association (AAA), faulty wiring is a leading cause of vehicle breakdowns.

5. Choosing the Right Tools for Car Repair

Having the right tools is essential for any car repair project. Here’s a breakdown of some essential tools and considerations for choosing them.

5.1. Basic Hand Tools

• Wrenches: A set of wrenches is essential for loosening and tightening nuts and bolts. Look for a set that includes both metric and SAE sizes.
• Sockets: A set of sockets is another essential tool. Like wrenches, look for a set that includes both metric and SAE sizes.
• Screwdrivers: A set of screwdrivers with various sizes and types (Phillips, flathead, etc.) is essential.
• Pliers: Various types of pliers, such as needle-nose pliers, slip-joint pliers, and locking pliers, are helpful for gripping and manipulating parts.
• Hammer: A hammer is useful for various tasks, such as tapping parts into place.

5.2. Specialty Tools

• Torque Wrench: A torque wrench is used to tighten nuts and bolts to a specific torque value. This is important for ensuring proper component installation and preventing damage. According to a study by the National Highway Traffic Safety Administration (NHTSA), improper torque is a contributing factor in many vehicle accidents.
• Multimeter: As mentioned earlier, a multimeter is an essential tool for testing electrical circuits.
• OBD-II Scanner: An OBD-II scanner is used to read and clear diagnostic trouble codes.
• Compression Tester: A compression tester is used to measure the pressure within each cylinder.
• Fuel Pressure Gauge: A fuel pressure gauge is used to measure fuel pressure.

5.3. Tool Quality and Brands

Investing in high-quality tools can save you money and frustration in the long run. While cheaper tools may seem appealing, they are often made from inferior materials and may not last as long. Some reputable tool brands include:

• Snap-on
• Matco
• Mac Tools
• Craftsman
• SK Tools

5.4. Tool Storage

Proper tool storage is essential for keeping your tools organized and protected. A tool chest or toolbox is a good investment for any serious DIY mechanic.

5.5. Safety Gear

Always wear appropriate safety gear when working on cars, including:

• Safety Glasses: Protect your eyes from debris.
• Gloves: Protect your hands from chemicals and sharp objects.
• Work Boots: Protect your feet from falling objects.

6. Maintaining Your Vehicle to Prevent Check Engine Lights

Preventing check engine lights in the first place is often more effective than dealing with them after they appear. Regular maintenance is key to keeping your vehicle running smoothly and avoiding costly repairs.

6.1. Regular Oil Changes

Regular oil changes are essential for engine health. Dirty oil can damage engine components and trigger DTCs related to oil pressure and engine performance. Follow the manufacturer’s recommended oil change interval. According to the American Petroleum Institute (API), regular oil changes can extend engine life by up to 50%.

6.2. Air Filter Replacement

A clogged air filter can restrict airflow to the engine, causing reduced power, poor fuel economy, and potentially triggering DTCs related to fuel mixture. Replace the air filter at the recommended interval.

6.3. Spark Plug Replacement

Faulty spark plugs can cause engine misfires and trigger DTCs related to misfires. Replace spark plugs at the recommended interval.

6.4. Fluid Checks and Top-Offs

Regularly check and top off all fluids, including:

• Engine coolant
• Brake fluid
• Power steering fluid
• Transmission fluid
• Windshield washer fluid

6.5. Tire Maintenance

Proper tire inflation and rotation are essential for safety and fuel economy. Check tire pressure regularly and rotate tires at the recommended interval.

6.6. Regular Inspections

Regularly inspect your vehicle for any signs of problems, such as:

• Leaks
• Unusual noises
• Worn tires
• Damaged belts and hoses

6.7. Addressing Problems Promptly

If you notice any problems with your vehicle, address them promptly. Ignoring a small problem can lead to more significant and costly repairs down the road.

7. Where to Find Reliable Auto Parts and Tools

Finding reliable auto parts and tools is essential for successful car repairs. Here are some tips for finding quality parts and tools:

7.1. Reputable Retailers

• Advance Auto Parts: A popular retailer with a wide selection of parts and tools.
• AutoZone: Another popular retailer with a wide selection of parts and tools.
• O’Reilly Auto Parts: A reputable retailer with a focus on customer service.
• NAPA Auto Parts: A well-known retailer with a focus on quality parts.
• Amazon: Offers a wide selection of parts and tools at competitive prices.

7.2. Online Resources

• CAR-TOOL.EDU.VN: An excellent online resource for finding detailed parts information, comparing products, and reading user reviews.
• RockAuto: An online retailer with a vast selection of parts at competitive prices.
• Summit Racing: A retailer specializing in performance parts and tools.

7.3. Local Mechanics

Your local mechanic can be a valuable resource for finding quality parts and tools. They often have established relationships with suppliers and can recommend reliable brands.

7.4. Checking Reviews and Ratings

Before purchasing parts or tools, check online reviews and ratings. This can help you get an idea of the quality and reliability of the products.

7.5. Warranty Information

Check the warranty information before purchasing parts or tools. A good warranty can provide peace of mind and protect you from defects.

8. The Future of Automotive Diagnostics

Automotive diagnostics is constantly evolving, with new technologies and techniques emerging all the time. Here’s a glimpse into the future of automotive diagnostics.

8.1. Advanced Driver-Assistance Systems (ADAS) Calibration

ADAS, such as lane departure warning, adaptive cruise control, and automatic emergency braking, are becoming increasingly common. Calibrating these systems after repairs or replacements requires specialized tools and knowledge.

8.2. Electric Vehicle (EV) Diagnostics

EVs present unique diagnostic challenges. Diagnosing EV problems requires specialized tools and knowledge of high-voltage systems, battery management, and electric motors.

8.3. Remote Diagnostics

Remote diagnostics allows technicians to diagnose and repair vehicles remotely using telematics data and remote access tools. This can be helpful for diagnosing problems on vehicles in remote locations or for providing assistance to DIY mechanics.

8.4. Artificial Intelligence (AI) in Diagnostics

AI is being used to develop diagnostic tools that can analyze data from multiple sources and provide more accurate and efficient diagnoses. AI-powered tools can also learn from experience and improve their diagnostic capabilities over time.

8.5. Augmented Reality (AR) in Diagnostics

AR is being used to develop diagnostic tools that can overlay information onto the real world. For example, an AR tool could overlay wiring diagrams or component locations onto a vehicle, making it easier for technicians to diagnose problems.

9. Legal and Ethical Considerations in Automotive Repair

It’s essential to be aware of legal and ethical considerations when performing automotive repairs.

9.1. Right to Repair

The “Right to Repair” movement advocates for consumers’ right to access the information and tools needed to repair their own vehicles. This movement has gained momentum in recent years, with some states passing laws that require manufacturers to provide access to repair information and tools.

9.2. Environmental Regulations

Automotive repair shops and DIY mechanics must comply with environmental regulations regarding the disposal of hazardous materials, such as used oil, antifreeze, and batteries.

9.3. Warranty Considerations

Performing DIY repairs may void the vehicle’s warranty. Check the warranty terms before performing any repairs.

9.4. Safety Standards

Always follow safety standards when performing automotive repairs. Use appropriate safety gear and follow proper procedures to avoid injury.

9.5. Ethical Practices

Always be honest and transparent with customers about the repairs needed and the costs involved. Avoid performing unnecessary repairs or using substandard parts.

10. Frequently Asked Questions (FAQs) About Car Diagnostics

Here are some frequently asked questions about car diagnostics.

10.1. What Does the Check Engine Light Mean?

The check engine light indicates that the vehicle’s computer has detected a problem. The light can illuminate for various reasons, ranging from minor issues to serious problems.

10.2. Can I Drive with the Check Engine Light On?

It depends on the severity of the problem. If the light is flashing, it indicates a severe issue that could damage the engine. In this case, it’s best to stop driving and have the vehicle towed to a mechanic. If the light is solid, it’s generally safe to drive, but you should have the vehicle checked as soon as possible.

10.3. How Do I Read the Diagnostic Trouble Codes?

You can read the diagnostic trouble codes using an OBD-II scanner. The scanner connects to your vehicle’s diagnostic port, usually located under the dashboard.

10.4. Can I Clear the Check Engine Light Myself?

Yes, you can clear the check engine light using an OBD-II scanner. However, clearing the light without addressing the underlying issue is not a solution. The light will likely reappear if the problem persists.

10.5. How Much Does It Cost to Have a Mechanic Read the Codes?

Many auto parts stores, like Advance Auto Parts, offer free code reading services. However, a mechanic may charge $75-105 or more to diagnose the problem and provide a repair estimate.

10.6. What is the Difference Between OBD-I and OBD-II?

OBD-I was an earlier version of on-board diagnostics that was not standardized. OBD-II is a standardized system that is required on all cars and light trucks manufactured since 1996.

10.7. What are Some Common Causes of Check Engine Lights?

Some common causes of check engine lights include:

• Faulty oxygen sensor
• Loose gas cap
• Faulty catalytic converter
• Faulty mass airflow (MAF) sensor
• Faulty spark plugs
• Vacuum leaks

10.8. How Can I Prevent Check Engine Lights?

Regular maintenance is key to preventing check engine lights. Follow the manufacturer’s recommended maintenance schedule and address any problems promptly.

10.9. What is the Right to Repair?

The “Right to Repair” movement advocates for consumers’ right to access the information and tools needed to repair their own vehicles.

10.10. Where Can I Find Reliable Auto Parts and Tools?

You can find reliable auto parts and tools at reputable retailers like Advance Auto Parts, AutoZone, O’Reilly Auto Parts, NAPA Auto Parts, and Amazon. Online resources like CAR-TOOL.EDU.VN and RockAuto can also be helpful.

Do you need expert advice on selecting the right parts or tools for your car repair needs? Contact CAR-TOOL.EDU.VN today! Our team is ready to assist you with detailed information and support. Visit us at 456 Elm Street, Dallas, TX 75201, United States, call us at +1 (641) 206-8880, or explore our website at CAR-TOOL.EDU.VN for more information. Let us help you keep your vehicle running smoothly and efficiently.