P1510 – Throttle Control System Performance – Throttle Limitation Active

Address the P1510 code immediately by inspecting the throttle control system’s performance. This code signals a limitation in throttle function, often triggered by various sensors detecting anomalies in engine operation. Swift action can prevent further complications and restore optimal vehicle performance.

Begin by examining the throttle position sensor (TPS) for accuracy. This sensor relays crucial data on the throttle’s position to the engine control unit (ECU). If the TPS is faulty, it can falsely indicate throttle position, prompting the system to limit throttle response. Ensuring proper calibration and function of this sensor is paramount. Replace it if necessary.

Next, check the wiring and connectors associated with the throttle control system. Damaged or corroded connections can lead to intermittent signals, resulting in throttle limitations. Utilize a multimeter to assess continuity and resistance across these components. Restoring any compromised connections can enhance the system’s reliability.

Investigate for vacuum leaks in the intake manifold. Such leaks can cause erratic engine behavior and trigger throttle limitations. Employ smoke testing or visual checks to locate leaks, and repair them accordingly. Maintaining a secure intake system supports consistent throttle performance.

Lastly, consider the role of the ECU in managing throttle operation. Ensure that software updates are applied, as manufacturers frequently release updates to address software glitches. Clear any fault codes after repairs and perform a vehicle test drive to confirm the throttle system operates within expected parameters.

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To address the P1510 error, ensure the throttle control system operates effectively. Check the throttle position sensor for accurate readings. Verify the connections and wiring for signs of damage or corrosion. Utilize a multimeter to test the voltage output at the sensor’s connector.

Scheduled Maintenance

  • Regularly inspect the throttle body for carbon buildup.
  • Clean or replace air filters to maintain airflow.
  • Ensure the intake system is free of leaks.

Monitoring Performance

Activate diagnostic tools to monitor the engine’s throttle response. Compare readings to manufacturer specifications. If throttle limitation persists, evaluate the vehicle’s electronic control unit (ECU) for software updates or reprogramming.

By adhering to these recommendations, you can enhance the performance of the throttle control system and resolve the P1510 error effectively.

Understanding the P1510 Diagnostic Trouble Code

The P1510 code indicates a problem with the throttle control system, specifically related to throttle limitation. This can lead to reduced engine power and performance issues. Addressing this code requires attention to the components involved in throttle actuation.

Common Causes of P1510

  • Faulty throttle body or actuator
  • Wiring issues, including shorts or corrosion
  • Faulty accelerator pedal position sensor
  • Vacuum leaks affecting throttle control
  • Malfunctioning engine control module (ECM)

Troubleshooting Steps

  1. Using an OBD-II scanner, confirm the presence of the P1510 code and check for any additional codes that may provide further context.
  2. Inspect the throttle body for any signs of damage or foreign debris that could affect its operation.
  3. Examine the wiring and connectors associated with the throttle control system for damage or loose connections.
  4. Test the accelerator pedal position sensor to ensure it sends accurate signals to the ECM.
  5. Evaluate the engine vacuum system for leaks that could impact throttle performance.

Repair or replace any malfunctioning components based on your findings. After completing repairs, clear the code and conduct a test drive to confirm that the throttle control system is functioning correctly.

Regular maintenance, including cleaning the throttle body and checking sensor functionality, can prevent the recurrence of the P1510 code and ensure optimal vehicle performance.

Common Symptoms of Throttle Limitation Activation

If you notice a lack of responsiveness in your vehicle’s acceleration, it may indicate throttle limitation activation. This can manifest as a sluggish response when pressing the accelerator pedal, especially during attempts to merge onto highways or overtake slower vehicles.

Another clear symptom is a warning light on the dashboard, typically resembling an engine or throttle icon. This light signals that the throttle control system has detected an issue, indicating that it’s reducing power to protect the engine or associated components.

Keep an ear out for unusual sounds from the engine, such as rough idling or sputtering. These noises may suggest problems with the throttle system and can affect overall performance. Additionally, if your vehicle exhibits erratic acceleration–where it surges and then suddenly decelerates–this can also signal throttle limitation activation.

Another sign is a noticeable drop in fuel efficiency. If your vehicle consumes more fuel than usual, it may be struggling to maintain optimal throttle response due to system limitations.

Here’s a summary table of common symptoms:

Symptom Description
Sluggish Acceleration Unresponsive throttle when pressing accelerator.
Warning Light Dashboard icon indicating throttle issues.
Unusual Engine Noises Rough idling or sputtering sounds.
Erratic Acceleration Surging and sudden deceleration while driving.
Poor Fuel Efficiency Increased fuel consumption without explanation.

Monitoring these symptoms can help you detect throttle limitations early, leading to quicker resolutions and ensuring a smoother driving experience. Always consult a professional when these signs appear to prevent further complications.

Causes of the P1510 Code in Control Systems

The P1510 code typically arises from issues within the throttle control system that limit throttle performance. One primary cause is a malfunctioning throttle actuator. This component controls the airflow into the engine, and when it fails, the system cannot respond correctly, triggering the code.

Another frequent issue is a faulty throttle position sensor (TPS). If this sensor provides inaccurate readings, the engine control module (ECM) may interpret these signals as a need for throttle limitation, activating the P1510 code.

Wiring problems also contribute significantly to this issue. Damaged or corroded wiring between the throttle components and the ECM can lead to communication failures, resulting in throttle control limitations. Conducting a thorough inspection of the wiring harness can help identify and rectify these issues.

Additionally, software glitches within the ECM can cause the P1510 code to appear. Keeping the ECM software updated ensures compatibility and optimal performance of the throttle control system, reducing potential errors.

Lastly, vacuum leaks or intake issues may impact engine performance and contribute to the P1510 code. Ensuring the integrity of the intake system can prevent air leaks that disrupt the balance needed for proper throttle operation.

Addressing these causes can effectively eliminate the P1510 code and restore normal throttle performance. Regular maintenance and diagnostics can prevent these issues from arising.

Impact of P1510 on Vehicle Performance

P1510 indicates restrictions in throttle control, leading to decreased engine performance. This code activates when the throttle response is limited, which can hinder acceleration and overall driving experience. Addressing the issue helps restore optimal vehicle functionality.

The throttle limitation directly affects power delivery. Drivers may notice sluggish acceleration and reduced top speeds. This diminished performance can be particularly pronounced during overtaking or merging maneuvers, where quick and responsive throttle input is crucial.

Fuel efficiency can also suffer when P1510 is present. The engine operates inefficiently as it struggles to maintain power, leading to higher fuel consumption. Monitoring fuel trends helps identify if P1510 is the cause of increased expenditures at the pump.

Engine diagnostics provide essential insights. Scanning for additional trouble codes alongside P1510 can reveal underlying issues, such as malfunctioning sensors or faulty wiring. Prioritizing comprehensive diagnostics ensures accurate identification of the root cause, facilitating effective repairs.

Ultimately, ignoring the P1510 code can lead to further complications, including extensive engine damage. Timely attention to throttle control issues assures a smoother driving experience, optimized power delivery, and sustained fuel efficiency.

Diagnostic Steps for the P1510 Trouble Code

Begin the diagnostic process by using an OBD-II scanner to retrieve the trouble codes. Clear any existing codes and conduct a road test to see if the P1510 code reappears, confirming its active status.

Check Throttle Position Sensor (TPS)

Inspect the throttle position sensor for any signs of malfunction. Verify the voltage readings at the TPS connector. A healthy sensor should reflect a range of 0.5 to 4.5 volts with the throttle fully closed to fully open, respectively. If readings fall outside this range, replace the TPS as necessary.

Investigate Wiring and Connections

Examine the wiring and connectors leading to the throttle body. Look for damaged wires, loose connections, or corrosion that might impair signal transmission. Repair any faults identified to ensure proper electrical continuity. Ensure all connectors are securely fastened.

Next, assess the throttle body for excessive carbon buildup or physical damage. Clean the throttle body with the appropriate cleaner to remove deposits that could hinder operation. If cleaning does not resolve the issue, consider replacing the throttle body.

Finally, confirm the integrity of the powertrain control module (PCM). Inspect the PCM for software updates or updates from the manufacturer that could address this trouble code. If all other components test well, a PCM replacement may be necessary.

After addressing the above steps, clear the codes and perform a road test once again. Monitor for the reoccurrence of the P1510 code. Use this sequence of diagnostics to pinpoint the underlying issue effectively.

Tools Required for P1510 Diagnosis

To effectively diagnose the P1510 throttle control system issue, gather the following tools:

  • OBD-II Scanner: A reliable OBD-II scanner is essential for reading and clearing trouble codes. Select a model that supports manufacturer-specific codes for comprehensive diagnostics.
  • Multimeter: Use a multimeter to check voltage levels and continuity in the throttle position sensor and related wiring. This tool helps pinpoint electrical issues.
  • Throttle Body Cleaner: Keep throttle body cleaner on hand to clean the throttle body assembly during diagnosis. A clean throttle body ensures accurate sensor readings.
  • Torque Wrench: Utilize a torque wrench to reinstall any components requiring specific torque settings, ensuring components are securely fitted.
  • Basic Hand Tools: Have screwdrivers, pliers, and wrenches available for removing and securing components. These tools are necessary for access to the throttle assembly and related parts.
  • Digital Pressure Gauge: If applicable, use a pressure gauge to check for proper intake manifold pressure, which plays a role in throttle response.

With these tools ready, proceed to perform a thorough investigation of the throttle control system. Begin by scanning for codes and documenting any findings. Move on to inspect wiring and connections linked to the throttle body, paying close attention to potential shorts or damaged components.

After troubleshooting, perform necessary repairs and test drive the vehicle to verify that the P1510 code does not return. This ensures the throttle control system operates within specified parameters.

Reading Diagnostic Trouble Codes using OBD-II Scanners

To effectively read diagnostic trouble codes (DTCs) using OBD-II scanners, connect the scanner to your vehicle’s OBD-II port, typically found under the dashboard near the driver’s seat. Turn on the ignition without starting the engine to power the scanner.

Follow these steps to interpret the results:

  1. Choose the ‘Read Codes’ option on the scanner’s menu.
  2. The scanner will display any active and pending trouble codes.
  3. Note down the codes, which are usually alphanumeric (e.g., P1510).
  4. Use the scanner’s built-in database or reference materials to look up the definitions of each code.

Focusing on the P1510 code, which relates to the throttle control system, indicates that a throttle limitation is active. This might suggest issues with the throttle body, accelerator pedal position sensor, or other related components.

Clearing Diagnostic Trouble Codes

After diagnosing the issue, you might want to clear the codes:

  • Select the ‘Erase Codes’ option on the scanner.
  • Confirm the action, and the scanner should indicate successful code clearance.
  • Monitor the vehicle for any reoccurrence of codes after driving for a short period.

Regular Diagnostics

Performing regular diagnostics helps catch issues early. Consider scanning your vehicle on a scheduled basis or when experiencing performance issues. Be proactive to maintain optimal vehicle operation and address potential problems before they escalate.

Interpreting Freeze Frame Data related to P1510

Analyze the freeze frame data captured during the P1510 code event to identify the operating conditions of the vehicle when the issue occurred. Focus on parameters such as engine RPM, vehicle speed, throttle position, and intake air temperature. This information provides a direct look into the performance of the throttle control system.

Check the throttle position percentage at the time of the fault. If the throttle position was at wide open while the vehicle was idling or during low RPM, this indicates a malfunction in the throttle control system. Pay attention to any unusually low or high readings that deviate from normal operation.

Examine engine load and fuel trim values. High engine load readings combined with an open throttle may suggest an issue with the throttle actuator or sensor. Fuel trim data can indicate if the engine is adjusting appropriately to the throttle commands. Significant deviations in fuel trim can point to problems with air intake or fuel delivery, coinciding with the P1510 error.

Look for any logged parameters related to the vehicle’s ambient temperature and atmospheric pressure. These values can affect engine performance and throttle response. Conditions like high humidity or low atmospheric pressure can exacerbate throttle control issues.

Cross-reference this data with the vehicle’s service history. Previous repairs or known faults can influence current performance and help pinpoint the cause of the P1510 code. If throttle control issues have a pattern, this could suggest a recurring problem that requires further investigation.

Finally, keep an eye on any other codes set alongside P1510. Related fault codes might offer additional context about underlying issues with the vehicle’s electronic control unit or other systems that interact with throttle performance.

Testing Throttle Position Sensors and Actuators

Conduct thorough testing of throttle position sensors (TPS) and actuators using specific procedures. Start with a visual inspection of the components for any visible damage or wear. Ensure that all connections are clean and secure to prevent electrical issues.

Checking Throttle Position Sensors

Use a multimeter to measure the resistance of the TPS. Connect the multimeter leads to the sensor terminals and observe the readings while manually moving the throttle plate. The resistance should change smoothly across the entire range. Any sudden jumps or drops in resistance indicate a faulty sensor.

Next, verify the voltage signal. With the ignition turned on, check the TPS output voltage. It should vary according to the throttle position, typically ranging from 0.5V (closed) to around 4.5V (fully open). If the voltage remains static or does not respond as expected, replace the sensor.

Testing Throttle Actuators

Inspect the throttle actuator for mechanical functionality by manually opening and closing the throttle plate. Ensure that it moves freely without any binding. Additionally, check the actuator resistance with a multimeter; refer to the vehicle’s service manual for specific resistance values.

Test the actuator’s response to input signals. Using a scan tool, monitor live data while commanding the actuator to respond to throttle position changes. The actuator should react promptly and accurately according to the input parameters.

Test Procedure Expected Result Action for Failure
Visual Inspection No visible damage Repair or replace
Resistance Measurement Smooth resistance changes Replace sensor
Voltage Check 0.5V to 4.5V range Replace sensor
Mechanical Functionality Free movement Clean or replace
Signal Response Prompt actuator reaction Repair or replace actuator

After completing these tests, document all findings. Ensure to replace any faulty sensors or actuators to maintain optimal vehicle performance. Regular testing can enhance engine efficiency and reduce emissions.

Wiring and Connector Inspection for Control Systems

Inspect wires and connectors regularly to ensure reliable operation of control systems. Start with a visual examination for any signs of wear, such as fraying, cracking, or discoloration. Pay particular attention to areas where wires may rub against surfaces or where they connect to components.

Next, check connectors for corrosion, loose pins, or bent terminals. Use dielectric grease on connectors to prevent moisture intrusion, which can lead to failures. Clean connectors with a suitable electrical contact cleaner to remove contaminants that could affect conductivity.

Measure voltage drop across connectors under load using a multimeter. Excessive voltage drop indicates a poor connection and may affect system performance. Ensure all connections are tight and secure, as looseness can cause intermittent faults.

Inspect the insulation integrity of wiring harnesses. Look for exposed wires that could short circuit or create grounding issues. Use heat-shrink tubing or electrical tape to repair minor insulation damage.

Keep wiring layouts organized to avoid confusion and unintended contacts. Route wires away from heat sources and moving parts to minimize potential damage. Label connectors and wires to improve maintenance and troubleshooting accuracy.

Conduct regular continuity tests on critical circuits. This process identifies open circuits, ensuring that all components receive power as needed. Replace any damaged wires immediately to maintain system reliability.

Document findings from inspections for reference. This practice assists in tracking recurring issues and planning future maintenance. A proactive approach to wiring and connector upkeep directly enhances the performance of control systems.

Calibration of Control Systems After Repairs

Ensure a thorough calibration of the control system immediately after any repairs. Begin by resetting all calibration parameters to their factory settings. This step eliminates any previous data that may interfere with new readings. Then, use diagnostic tools to verify the functionality of sensors and actuators, ensuring they operate within specified tolerances.

Steps for Effective Calibration

1. Connect a diagnostic scanner to the system and retrieve any trouble codes related to the throttle control. Address these codes and perform necessary repairs prior to calibration.

2. Calibrate the throttle position sensor (TPS) by following the manufacturer’s specified procedure. This typically involves adjusting the TPS to the correct voltage output at idle and full throttle positions.

3. Conduct a throttle body alignment if required. This realigns the throttle plate to ensure proper airflow and performance during operation.

4. Perform an idle relearn procedure. This allows the engine control unit (ECU) to adapt to the new settings after recalibrating the sensors, helping to stabilize idle performance.

Verifying Calibration

After completing the calibration process, test the vehicle under varying driving conditions. Monitor engine response and check for any throttle limitations triggered by the system. Utilize real-time data logging to capture performance metrics, confirming that the control system operates within designated parameters without triggering faults.

Regular checks and recalibrations after repairs prevent future issues and enhance overall system reliability. Consistent procedures contribute to optimal engine performance and extended component life.

Common Solutions for Resolving the P1510 Code

Start by inspecting the throttle body for any signs of dirt or carbon buildup. Cleaning the throttle body can restore proper airflow and eliminate issues causing the P1510 code.

Next, check the throttle position sensor (TPS). Test its voltage and output signal to ensure it’s functioning correctly. If readings are outside the manufacturer’s specifications, replacing the TPS may be necessary.

Examine the wiring and connectors related to the throttle control system. Look for any frayed wires, corrosion, or loose connections that could interrupt the signal. Repair or replace any damaged components as needed.

Review engine vacuum hoses for leaks or disconnections. A vacuum leak can lead to erratic throttle performance. Replace any compromised hoses to stabilize engine operation.

Verify the functionality of the electronic control module (ECM). If other troubleshooting steps do not resolve the issue, consider reprogramming or replacing the ECM, as it might not be communicating effectively with the throttle control system.

Finally, reset the vehicle’s computer system after making repairs. This will clear any stored codes and allow the system to recalibrate. Monitor the vehicle’s performance to confirm the P1510 code does not return.

The Role of Engine Control Module in Limitation

The Engine Control Module (ECM) plays a crucial role in regulating throttle control and managing the performance limitations in modern vehicles. It continuously monitors various parameters, including engine speed, throttle position, and air intake, to ensure optimal operation. When a situation arises that could compromise safety or efficiency, the ECM activates throttle limitations to protect the engine and improve drivability.

Functionality of Throttle Limitation

Throttle limitation is initiated by the ECM when it detects abnormal conditions such as over-revving, excessive temperature, or faults in the throttle body. The module modifies the throttle opening, reducing the engine power output and thereby limiting acceleration. This proactive measure helps prevent potential damage to the engine and associated components, ensuring the vehicle remains operational even under duress.

Data Analysis and Response

The ECM utilizes data from various sensors to assess the overall health of the engine. It processes this information in real time, triggering throttle limitations as necessary. The immediate response helps maintain vehicle stability and driver confidence. By effectively interpreting sensor readings, the ECM enhances the vehicle’s performance and longevity.

Regular diagnostics and maintenance of the ECM and related components ensure reliable operation and timely detection of any issues that could lead to throttle limitations. Continuous communication between the ECM and the vehicle’s systems reinforces overall performance and safety.

Preventive Maintenance for Control Issues

Regularly inspect and clean throttle body components to prevent buildup that can hinder performance. Use a specialized solvent to remove carbon deposits, ensuring a smooth airflow for accurate throttle response.

Check wiring and connectors for signs of wear or corrosion. Secure connections can prevent signal loss and maintain proper communication between the throttle control system and the engine control unit (ECU).

Perform diagnostics using a scan tool to read trouble codes related to throttle control. Address any codes promptly to avoid cascading issues. Regular scans can help catch potential problems early, allowing for proactive repairs.

Lubricate mechanical linkages with appropriate grease to minimize resistance. This simple step keeps the throttle mechanism operating seamlessly, reducing the risk of lag or sticking.

Evaluate and update software related to throttle control systems as needed. Manufacturers often release updates that enhance performance and address known issues. Stay informed about these updates to ensure optimal operation.

Monitor engine performance metrics closely. Unusual changes in acceleration or responsiveness can indicate underlying issues with throttle control, warranting immediate investigation.

Implement a routine maintenance schedule that includes checking throttle position sensors and ensuring they operate within manufacturer specifications. This can prevent unexpected failures and ensure a reliable throttle response.

Replace air filters regularly to ensure clean airflow to the throttle body. Dirty filters can lead to restricted airflow, impacting engine performance, and throttle response.

Lastly, maintain a clean engine compartment to prevent debris from entering critical components, including the throttle control system. A tidy environment is key to reliable vehicle operation.

When to Seek Professional Assistance for P1510 Code

If you encounter the P1510 code, it’s crucial to consult a professional mechanic. This code signals a throttle control issue, which significantly impacts vehicle performance. Ignoring it can lead to further complications, such as reduced power and potential safety risks.

Seek professional help if you notice symptoms like unresponsive acceleration, erratic engine behavior, or warning lights on your dashboard. Don’t attempt to drive the vehicle under these conditions. A certified technician has the tools and expertise to diagnose the underlying problem accurately.

Diagnostic Expertise

Professionals utilize advanced diagnostic equipment to pinpoint the exact cause of the P1510 code. They will inspect components such as the throttle body, wiring, and various sensors. This detailed approach ensures that all potential issues are addressed, preventing recurring problems.

Repair and Calibration

If repairs are necessary, they will execute them using OEM parts, ensuring reliability and longevity. Additionally, recalibration of the throttle control system may be required after repairs. Proper calibration restores optimal function, enhancing overall vehicle performance. Seeking a professional not only resolves the immediate issue but also ensures your vehicle operates safely and efficiently.

Understanding Limits: When Throttle Limitation is Necessary

Throttle limitation plays a critical role in ensuring vehicle safety and performance. It activates under specific conditions, primarily to prevent over-speeding and to maintain vehicle stability. When the throttle limitation signal is triggered, it is essential to recognize the underlying causes and implications for operation.

Key Conditions for Throttle Limitation

Throttle limitation typically engages during scenarios that pose a risk to the vehicle’s functionality. These scenarios include:

Condition Impact
Engine Overload Limits power to prevent engine damage.
Transmission Issues Restricts throttle to avoid transmission failure.
Sensor Malfunction Reduces engine performance until the issue is resolved.
Safety Mode Activation Activates to protect driver and passengers during critical faults.

Recognizing these conditions allows for prompt corrective action. If the throttle limitation light is illuminated, it is advisable to check for error codes and consult the vehicle’s manual. Regular maintenance checks can help prevent repeated throttle limitations by identifying potential issues before they escalate.

Benefits of Throttle Limitation

Integrating throttle limitations enhances overall vehicle safety. This system prevents excessive speed, aids in fuel efficiency, and contributes to smoother driving experiences. Additionally, it protects critical components of the vehicle, leading to reduced repair costs over time.

Understanding and respecting throttle limitations ensures seamless functionality and a safer ride. Always prioritize addressing any warnings associated with throttle performance to maintain optimal vehicle operation.

Post-Repair Testing and Verification Procedures

Conduct a series of targeted tests to ensure the throttle control system operates as intended after repairs. Follow these steps for comprehensive verification.

  1. Visual Inspection:

    • Check all connections and wiring for damage or loose fittings.
    • Ensure that all components are securely mounted.
  2. System Reboot:

    • Power up the vehicle and allow the system to reset fully.
    • Verify that no warning codes appear on the diagnostic tool.
  3. Throttle Response Test:

    • Conduct a throttle pedal position test using a scan tool.
    • Confirm that the response matches the expected range of motion.
  4. Operational Tests:

    • Drive the vehicle under different conditions to assess throttle behavior.
    • Test acceleration and deceleration to verify smooth transitions.
  5. Data Logging:

    • Record data during road tests to analyze throttle position and engine response.
    • Compare logged data with manufacturer specifications for anomalies.
  6. Check for Diagnostic Codes:

    • After testing, run a full diagnostic scan.
    • Make sure all previous codes have cleared and no new codes have appeared.

After completing these procedures, document the tests and results thoroughly. This practice provides a clear record of the system’s reliability and compliance with performance standards.

Real-world Case Studies for P1510 Troubleshooting

Identify the throttle position sensor (TPS) as a potential point of failure when troubleshooting the P1510 code. A case study from a 2008 Chevrolet Silverado showed that a faulty TPS caused erratic throttle response. Replacing the sensor resolved the issue, restoring full engine performance. Always verify the voltage and resistance values against manufacturer specifications during diagnosis.

Examine the electronic throttle control module (ETC) next. A 2015 Ford Mustang exhibited a P1510 code due to a malfunctioning ETC. Technicians discovered that water had penetrated the module housing. Cleaning and re-sealing the housing eliminated the fault, highlighting the importance of inspecting for moisture-related damage.

Wiring and Connector Issues

Check the wiring harness for signs of wear or damage. In a 2012 Honda Civic, a frayed wire created an intermittent connection, leading to a throttle limitation condition. Technicians repaired the wiring, resulting in consistent throttle performance. Regularly inspect connectors for corrosion as well, which can lead to poor connections and faults.

Software Updates

Consider software updates for electronic control units (ECUs). A case with a 2017 Toyota Camry revealed that outdated software caused erroneous readings, triggering the P1510 code. After applying the latest update, technicians saw improved communication between the throttle body and the ECU, rectifying the issue.