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      Your concern might be complex to diagnose and may require additional equipment to pinpoint the cause. In this case, you'll receive Digital Inspection results plus a quote to perform deeper diagnostic/test procedures.

      Top 20 Throttle body cleaning Shops in Upland, CA

      AutoTechIQ's Featured Certified Shop
      Joel's Automotive Repair

      Joel's Automotive Repair

      4.7
      Certified
      Mo-Th 7:30 AM – 5:30 PM
      Fr 7:30 AM – 5:00 PM
      Sa-Su Closed
      Super Service of Pomona Valley

      Super Service of Pomona Valley

      4.7
      Certified
      Mo-Fr 7:30 AM – 5:30 PM
      Sa-Su Closed
      Porsche Ontario Service Center

      Porsche Ontario Service Center

      5
      Good Standing
      Mo-Fr 7:00 AM – 6:00 PM
      Sa 8:00 AM – 4:00 PM
      Su Closed
      Save On Auto Care

      Save On Auto Care

      4.9
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa-Su Closed
      Al & Lee's Auto Care Center

      Al & Lee's Auto Care Center

      4.9
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa 8:00 AM – 12:00 PM
      Su Closed
      Connie & Dick's Auto Service Center Inc.

      Connie & Dick's Auto Service Center Inc.

      4.9
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa-Su Closed
      Lupe's Auto

      Lupe's Auto

      4.9
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa-Su Closed
      DJZ Automotive Repair

      DJZ Automotive Repair

      4.9
      Good Standing
      Mo-Fr 8:00 AM – 6:00 PM
      Sa-Su Closed
      Audi Service Center

      Audi Service Center

      4.9
      Good Standing
      Mo-Fr 7:00 AM – 6:00 PM
      Sa 8:00 AM – 4:00 PM
      Su Closed
      Bee Z Auto Care

      Bee Z Auto Care

      4.8
      Good Standing
      Mo-Fr 7:30 AM – 5:00 PM
      Sa 7:30 AM – 2:00 PM
      Su Closed
      ROYSAUTOREPAIR IN UPLAND

      ROYSAUTOREPAIR IN UPLAND

      4.8
      Good Standing
      Mo-Fr 9:00 AM – 6:00 PM
      Sa-Su Closed
      Orr Automotive

      Orr Automotive

      4.8
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa 8:00 AM – 3:00 PM
      Su Closed
      Rancho Autocare

      Rancho Autocare

      4.8
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa-Su Closed
      Comtires

      Comtires

      4.8
      Good Standing
      Mo-Fr 8:00 AM – 5:30 PM
      Sa-Su Closed
      Akbar Auto Service

      Akbar Auto Service

      4.7
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa-Su Closed
      Brian's Automotive Repair - Best Auto Repair Service in Ontario Ca

      Brian's Automotive Repair - Best Auto Repair Service in Ontario Ca

      4.7
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa-Su Closed
      A&A Automotive and Tire

      A&A Automotive and Tire

      4.7
      Good Standing
      Mo-Fr 8:00 AM – 5:30 PM
      Sa-Su Closed
      Allstar Auto Repair

      Allstar Auto Repair

      4.7
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa 8:00 AM – 12:00 PM
      Su Closed
      Haven Auto Repair | CarMax Repair Shop / AAA Approved

      Haven Auto Repair | CarMax Repair Shop / AAA Approved

      4.6
      Good Standing
      Mo-Fr 8:00 AM – 5:30 PM
      Sa-Su Closed
      A-1 Auto Care

      A-1 Auto Care

      4.6
      Good Standing
      Mo-Sa 7:00 AM – 9:00 PM
      Su 8:00 AM – 8:00 PM
      Four common causes for a reduced engine power warning on the vehicle and their related parts.
      This fix will help eliminating

      Reduced Engine Power Light

      The reduced engine power light appears because the vehicle has limited its power output based on a problem it has detected this is a designed safety measure This is caused by issues with the fuel pump or catalytic converter Alternatively faulty sensors might be triggering this Spot the early warning signs of reduced engine power and take action before symptoms worsen We recommend you communicate any concerns to a technician for professional assistance Our guide will teach you how to watch for an... Learn More about the Symptom

      Other Vehicle Symptoms

      Below are just a few examples of typical Symptoms and Fixes your car might be experiencing

      Other Fixes that either are related or dependent on Throttle body cleaning

      Below you can find information about other fixes

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      Symptoms of a dirty throttle body

      A dirty throttle body causes engine problems like performance loss, "Check Engine" light, and bad fuel economy. The throttle body is a "door" that opens and closes inside the engine, allowing air to enter and join fuel in the combustion process, generating instant power. This "door," which is a valve, opens when you press the gas pedal, and closes when you release it.

      Here are the symptoms that a dirty throttle body causes in your vehicle:

      1. Rough Idle
      A dirty throttle body causes that odd shuddering and car vibration when you stop the vehicle while the engine is still running; this is known as "rough idling." This happens because carbon deposits block airflow inside the engine, making it difficult to run steady. If you check the RPMs in your dashboard, you might see it running up and down when the car is at a stop.

      2. Poor Acceleration or Throttle Response
      A dirty throttle body can become clogged, meaning carbon deposits start blocking the air passage. So, when you press the gas pedal, very little air passes through the throttle body, and the engine doesn't make enough power. Consequently, the vehicle becomes sluggish.

      3. Stalling or Sudden Engine Shutdown
      A dirty and clogged throttle body won't have a good opening for air to enter the engine, causing the vehicle to stop working and stall. This can happen while at a stoplight, or even when slowing down.

      4. High or Messy RPMs
      A clogged throttle body has a tighter space for air to pass through, making the air struggle to join the combustion process. With less air to work with, the engine compensates by sending more fuel, leading to messy RPM changes.

      5. Check Engine Light on The Dashboard
      A clogged throttle body makes the "Check Engine" pop up on the dashboard. Modern vehicles have sensors that pick up on air intake problems, and a clogged throttle body causes airflow, fuel mixture, or idle control problems. Therefore, these sensors, known as the Throttle Position Sensor (TPS) and Mass Airflow Sensor (MAF) send a warning to the dashboard.

      6. Poor Fuel Efficiency
      A clogged throttle body gives a smaller opening for air to enter the combustion process, resulting in less power to the engine. Therefore, the engine starts compensating for the low air it's receiving by using more fuel in the combustion process. This results in lower gas mileage and increased fuel consumption.

      7. Hesitation or Jerky Acceleration
      A dirty throttle body can lead to hesitation or jerky movements when accelerating. You might experience a bad performance or feel the car struggling to pick up speed. This happens because the engine isn’t receiving the needed air amount, causing bad fuel delivery.

      8. Black Smoke from the Exhaust
      In extreme cases, a dirty throttle body can block so much air from joining the combustion process, that the engine starts compensating with too much fuel. This leads to black smoke coming from the exhaust due to incomplete fuel combustion.

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