P0174 Explained - System TOO LEAN (Bank 2) |

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  • Опубліковано 24 сер 2024

КОМЕНТАРІ • 9

  • @weeklytools
    @weeklytools  Місяць тому

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  • @danntikofi2722
    @danntikofi2722 3 місяці тому

    Thanks for your recommendation , and My question is that can you clean the throttle body and change the spark plugs too?

    • @weeklytools
      @weeklytools  3 місяці тому

      You are most welcome sir. Certainly! Maintaining your vehicle’s throttle body and spark plugs is essential for optimal performance. Let’s break it down:
      Cleaning the Throttle Body:
      The throttle body controls the amount of air entering the engine. Over time, carbon deposits can accumulate, affecting airflow and engine performance.
      To clean the throttle body:
      Step 1: Remove the air intake hose connected to the throttle body.
      Step 2: Use a throttle body cleaner (specifically designed for fuel system components) to spray and clean the interior surfaces of the throttle body.
      Step 3: Wipe away any residue with a clean cloth.
      Step 4: Reattach the air intake hose.
      It’s recommended to perform this maintenance roughly every 100,000 miles1.
      Changing Spark Plugs:
      Spark plugs play a crucial role in igniting the air-fuel mixture in the combustion chamber.
      To change spark plugs:
      Step 1: Locate the spark plugs (usually on the engine cylinder head).
      Step 2: Use a ratchet wrench and spark plug socket to remove the old spark plugs.
      Step 3: Inspect the spark plugs for wear or fouling. If needed, replace them with new ones.
      Step 4: Gap the new spark plugs (adjust the electrode gap to the manufacturer’s specifications).
      Step 5: Reinstall the spark plugs.
      Regularly replacing spark plugs ensures efficient combustion and better fuel economy2.
      If you’d like more detailed instructions or have any specific questions, feel free to ask! 😊

  • @AntonioRosales-lv5bi
    @AntonioRosales-lv5bi Місяць тому

    Yeah I replaced the MAF sensor and the check engine turned off like about 100 miles later it turned back on can anyone explain

    • @weeklytools
      @weeklytools  Місяць тому +1

      Why Your Check Engine Light Came Back After Replacing the MAF Sensor
      It's frustrating when you replace a part, think you've solved the problem, only to have the check engine light come back. While it's possible the new MAF sensor is defective, there are several other common culprits:
      Potential Causes:
      Defective MAF Sensor: Although unlikely, it's possible you got a faulty sensor.
      Dirty Air Filter: A clogged air filter can restrict airflow, leading to inaccurate MAF readings.
      Vacuum Leaks: These can disrupt the air-fuel mixture, causing similar issues to a bad MAF sensor.
      Catalytic Converter Issues: A clogged or damaged catalytic converter can indirectly affect MAF sensor readings.
      Wiring or Connector Problems: Damaged wiring or a loose connector can interfere with the MAF sensor's operation.
      Other Engine Sensors: Issues with other sensors, like the oxygen sensor or throttle position sensor, can affect the MAF sensor's readings.
      Next Steps:
      Retrieve the Check Engine Light Code: This will provide more specific information about the issue. You can use an OBD-II scanner to do this.
      Inspect Air Filter: Ensure it's clean and replace if necessary.
      Check for Vacuum Leaks: Look for any visible cracks or hoses disconnected.
      Verify MAF Sensor Installation: Make sure it's securely installed and the connector is properly connected.
      Inspect Wiring: Look for any signs of damage or corrosion.
      If you're not comfortable diagnosing the issue yourself, it's best to have a mechanic scan the vehicle and pinpoint the exact problem.
      Would you like to provide the check engine light code? That would help narrow down the possibilities.
      Let me know if you have any other questions.

    • @AntonioRosales-lv5bi
      @AntonioRosales-lv5bi Місяць тому

      I replaced the MAF sensor seems to me that is where I think Id start. Next would be the oxygen sensor 2 but I just installed a new one so I'll see if their might be leaks

    • @weeklytools
      @weeklytools  Місяць тому

      Great start! Replacing the MAF sensor is a logical first step, especially if you're experiencing issues like poor fuel economy, rough idling, or hesitation. And it's good to double-check the new oxygen sensor for leaks.
      Other Potential Areas to Investigate
      While you've already covered some key components, here are a few other areas to consider:
      Catalytic Converter: A clogged or damaged catalytic converter can affect oxygen sensor readings and overall engine performance.
      Vacuum Leaks: Even small vacuum leaks can disrupt the air-fuel mixture, leading to various engine problems. Check all hoses and connections for cracks or disconnections.
      Fuel System Components: Issues with the fuel pump, injectors, or fuel pressure regulator can also contribute to engine problems.
      Ignition System: Problems with spark plugs, ignition coils, or the distributor (if applicable) can cause misfires and other issues.
      Diagnostic Tools and Techniques
      To pinpoint the exact problem, consider using these tools and techniques:
      OBD-II Scanner: This can provide valuable information about engine sensors and potential issues. Look for specific trouble codes related to the components you've replaced or suspect.
      Fuel Pressure Test: This can help determine if the fuel system is supplying adequate pressure.
      Compression Test: Checking engine compression can reveal issues with valves, piston rings, or head gaskets.
      Exhaust Gas Analyzer: This can measure the amount of oxygen in the exhaust, providing clues about the air-fuel mixture.
      Remember: If you're not comfortable performing these checks yourself, it's always a good idea to consult a qualified mechanic.
      Would you like to provide more details about the specific symptoms you're experiencing? This could help narrow down the potential causes.
      Are you getting any check engine lights? If so, what are the codes?
      How is the engine performance affected? (e.g., lack of power, rough idle, stalling)
      Have you noticed any changes in fuel economy?
      The more information you can provide, the better equipped I am to assist you.

  • @melisablake9109
    @melisablake9109 Місяць тому

    It says my oil pressure is low

    • @weeklytools
      @weeklytools  Місяць тому

      You're right, a P0174 trouble code indicates low oil pressure in your vehicle. This is a serious issue that can damage your engine if not addressed promptly.
      Here's a breakdown of what P0174 means and what you can do:
      Understanding P0174:
      P0174 is a generic OBD-II code, meaning it's used by most car manufacturers to signal low oil pressure.
      Engine oil acts like a lubricant, reducing friction and wear between engine parts.
      Adequate oil pressure ensures proper oil circulation throughout the engine.
      Low oil pressure means engine parts aren't getting enough lubrication, which can lead to overheating, increased friction, and ultimately, engine damage.
      Possible Causes of P0174:
      Low Oil Level: The most common reason is simply not having enough oil in your crankcase. Check your owner's manual for the proper oil type and level for your car.
      Oil Filter Clogged: A dirty oil filter can restrict oil flow and cause low pressure. Regular oil changes are crucial.
      Worn Oil Pump: The oil pump is responsible for pressurizing the oil system. A worn pump may not be able to generate enough pressure.
      Internal Engine Leak: Leaks within the engine can divert oil and reduce pressure. This is a more serious issue.
      What to Do:
      Check Oil Level: Turn off the engine on level ground and wait a few minutes. Then, check your oil dipstick following your owner's manual instructions. If the oil level is low, add the recommended oil type and amount. Do not overfill!
      Don't Ignore the Warning: If the oil level is good and the warning light stays on, don't ignore it. Driving with low oil pressure can cause significant engine damage.
      Consult a Mechanic: It's advisable to have a certified mechanic diagnose the cause of the low oil pressure. They can check the oil pressure with a gauge, inspect for leaks, and recommend repairs.
      Here are some additional tips:
      Refer to your owner's manual for specific recommendations on oil type, oil capacity, and oil change intervals for your vehicle.
      Be mindful of your oil pressure warning light. If it comes on, address the issue promptly.
      Regular oil changes and proper oil maintenance are essential for preventing low oil pressure and protecting your engine.