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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 31 Diesel Truck Repair Shops in Sunnyvale, CA

      AutoTechIQ's Featured Certified Shop
      Allied Auto Works

      Allied Auto Works

      4.9
      Certified
      Mo-Fr 8:00 AM – 12:30 PM, 1:30 – 5:00 PM
      Sa-Su Closed
      De Anza Auto Repair

      De Anza Auto Repair

      4.7
      Good Standing
      Mo-Fr 8:00 AM – 6:00 PM
      Sa 8:00 AM – 5:00 PM
      Su Closed
      Customers reviewed this shop as happy and nice
      MTY Auto Repair | Body Shop

      MTY Auto Repair | Body Shop

      5
      Good Standing
      Mo-Fr 9:00 AM – 5:00 PM
      Sa 9:00 AM – 2:00 PM
      Su Closed
      Bavarium Autoworks Service & Repair for Audi, BMW, Mercedes, MINI, & Volvo In Mountain View

      Bavarium Autoworks Service & Repair for Audi, BMW, Mercedes, MINI, & Volvo In Mountain View

      5
      Good Standing
      Mo-Th 7:30 AM – 4:30 PM
      Fr 7:30 AM – 4:00 PM
      Sa-Su Closed
      Expert Auto Care

      Expert Auto Care

      5
      Good Standing
      Mo-Fr 7:30 AM – 4:00 PM
      Sa-Su Closed
      Customers reviewed this shop as excellent and grateful
      Tony & Brothers German Auto Repair

      Tony & Brothers German Auto Repair

      4.9
      Good Standing
      Mo-Fr 7:30 AM – 5:00 PM
      Sa-Su Closed
      Customers reviewed this shop as nice and perfect
      Euro Clinic

      Euro Clinic

      4.9
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa-Su Closed
      Customers reviewed this shop as awesome and best
      Kevin's Auto Repair

      Kevin's Auto Repair

      4.9
      Good Standing
      Mo-Fr 7:30 AM – 4:00 PM
      Sa-Su Closed
      Customers reviewed this shop as excellent and happy
      Foreign Affair Auto Repair

      Foreign Affair Auto Repair

      4.9
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa-Su Closed
      Customers reviewed this shop as excellent and happy
      Level Up Auto Styling / Griffin’s Auto Repair

      Level Up Auto Styling / Griffin’s Auto Repair

      4.9
      Good Standing
      Mo-Fr 8:30 AM – 4:30 PM
      Sa-Su Closed
      Customers reviewed this shop as awesome and best
      Helming's Auto Repair

      Helming's Auto Repair

      4.9
      Good Standing
      Mo-Fr 7:30 AM – 5:00 PM
      Sa-Su Closed
      Customers reviewed this shop as best and helpful
      Hank Auto Repair

      Hank Auto Repair

      4.8
      Good Standing
      Mo-Fr 8:00 AM – 6:00 PM
      Sa-Su Closed
      Customers reviewed this shop as happy and nice
      Smog It Mercedes Service

      Smog It Mercedes Service

      4.8
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa-Su Closed
      Sunnyvale Foreign Car Service Inc

      Sunnyvale Foreign Car Service Inc

      4.8
      Good Standing
      Mo-Fr 7:30 AM – 5:30 PM
      Sa-Su Closed
      Customers reviewed this shop as helpful and outstanding
      Yarnell Service Center

      Yarnell Service Center

      4.8
      Good Standing
      Mo Closed
      Tu-Fr 7:30 AM – 5:30 PM
      Sa-Su Closed
      Customers reviewed this shop as excellent and fantastic
      Precise Auto Repair

      Precise Auto Repair

      4.8
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa-Su Closed
      Customers reviewed this shop as happy and helpful
      J Speed

      J Speed

      4.8
      Good Standing
      Mo-Tu 8:30 AM – 5:30 PM
      We Closed
      Th-Sa 8:30 AM – 5:30 PM
      Su Closed
      Customers reviewed this shop as helpful and nice
      Independence Car Service

      Independence Car Service

      4.8
      Good Standing
      Mo-Fr 9:15 AM – 6:00 PM
      Sa-Su Closed
      Stress-Free Auto Care / German Motor Specialist

      Stress-Free Auto Care / German Motor Specialist

      4.8
      Good Standing
      Mo-Fr 8:00 AM – 6:00 PM
      Sa 8:00 AM – 4:00 PM
      Su Closed
      Customers reviewed this shop as best and strong
      The Car Doctor Tire Pros

      The Car Doctor Tire Pros

      4.8
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa-Su Closed
      Customers reviewed this shop as nice and super
      Stress-Free Auto Care

      Stress-Free Auto Care

      4.7
      Good Standing
      Mo-Fr 8:00 AM – 6:00 PM
      Sa 9:00 AM – 5:00 PM
      Su 10:00 AM – 4:00 PM
      Customers reviewed this shop as happy and helpful
      AAA Mountain View Auto Repair Center

      AAA Mountain View Auto Repair Center

      4.7
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa-Su Closed
      Customers reviewed this shop as fantastic and helpful
      Felix's Auto Service Inc

      Felix's Auto Service Inc

      4.7
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa-Su Closed
      Shoreline Auto Care

      Shoreline Auto Care

      4.7
      Good Standing
      Mo-Fr 8:00 AM – 6:00 PM
      Sa-Su Closed
      Master Automotive

      Master Automotive

      4.7
      Good Standing
      Mo-Fr 8:00 AM – 6:00 PM
      Sa-Su Closed
      Customers reviewed this shop as excellent and perfect
      Cupertino Auto Care

      Cupertino Auto Care

      4.7
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa 8:00 AM – 2:00 PM
      Su Closed
      Customers reviewed this shop as excellent and nicest
      K & S Complete Auto Repair

      K & S Complete Auto Repair

      4.6
      Good Standing
      Mo-Sa 9:00 AM – 7:00 PM
      Su Closed
      Customers reviewed this shop as happy and nice
      Keep It Runnin Smog and Auto Repair

      Keep It Runnin Smog and Auto Repair

      4.5
      Good Standing
      Mo-Fr 8:30 AM – 6:00 PM
      Sa-Su 8:30 AM – 5:00 PM
      Customers reviewed this shop as awesome and best
      Professional Auto Repair

      Professional Auto Repair

      4.5
      Good Standing
      Mo-Fr 8:00 AM – 6:00 PM
      Sa 8:00 AM – 5:00 PM
      Su Closed
      Customers reviewed this shop as best and helpful
      Auto Smog Test & Repair

      Auto Smog Test & Repair

      4.5
      Good Standing
      Mo-Fr 8:30 AM – 8:30 PM
      Sa 8:30 AM – 5:00 PM
      Su 10:00 AM – 3:00 PM
      Customers reviewed this shop as excellent and fantastic
      MINI of Stevens Creek Service Center

      MINI of Stevens Creek Service Center

      4.5
      Good Standing
      Mo-Fr 7:00 AM – 6:00 PM
      Sa 8:00 AM – 5:00 PM
      Su Closed

      How weather affects Diesel Truck Repair

      Do you plan to take your vehicle to a place like Lake Havasu City, AZ with prolonged heat/cold or humidity in the next 3 months? Please consider the following impact on your vehicle:

      Heat is generated very quickly due to the friction between the brake pads and the brake rotors, so the brake system will remain warm long after the vehicle has been parked in Lake Havasu City, AZ. Heavy braking can overheat the brakes, leading you to experience brake fade that reduces the efficiency of the brakes and lengthens the distance your vehicle comes to a complete halt. When engine oil is thinner due to heat, there is increased risk of leaks occurring. Additionally, higher temperatures as in{' '} Lake Havasu City, AZ can lead to insufficient lubrication, resulting in sludge formation. oil flow might be lowered and can impede your vehicle's overall performance.

      High Humidity such as in Lake Havasu City, AZ increases the likelihood of condensation inside the headlight housing. Water and electricity don't mix, which may cause a short circuit leading to failure of your lightbulb. In addition, any condensation water coming in contact with a hot light bulb may cause the bulb to break. Many different sensors in your vehicle let its car computer know if a potential problem is detected because they sense temperatures, pressures, filling level etc. to be out of normal range. Excess moisture from heavy humidity in Lake Havasu City, AZ might cause the sensors to trip inadvertently and create a false positive, meaning they signal a problem even when there really isn't one. Every time a warning or the check engine light is on, get it diagnosed by a professional before you worry about the malfunction of your car.

      Related Fixes

      Any or all of the following fixes might be proposed by your shop in Lake Havasu City, AZ to restore your brake system to operate as designed and meet safety standards. THESE FIXES are offered by all shops IN the neighborhoods

      Related Fixes

      Select the state and town where this fix should be performed

      Diesel Truck Repair by city

      Top neighborhoods in Sunnyvale, CA

      Symptoms of Diesel Truck Issues

      Diesel trucks develop plenty of issues, like combustion issues, fuel efficiency changes, and electrical problems, to name a few. Still, most diesel truck problems come with specific symptoms that can indicate the culprit. Find out more about the common symptoms and causes of truck problems below.

      Excessive Exhaust Smoke (Black, Blue, or White)

      Cause: Black smoke may indicate a rich fuel mixture; blue smoke suggests burning oil due to worn seals or piston rings; white smoke can signal coolant leaks or incomplete combustion.

      Hard Starting or No Start

      Cause: A weak battery, faulty glow plugs, or low compression can make diesel engines difficult to start, especially in cold weather.

      Loss of Power

      Cause: Clogged fuel filters, a failing turbocharger, or air intake restrictions can reduce power output, especially under load.

      Rough Idle or Misfires

      Cause: Faulty injectors, a failing fuel pump, or poor-quality diesel fuel can disrupt combustion, causing uneven engine operation.

      Overheating Engine

      Cause: A failing water pump, clogged radiator, or low coolant levels can lead to overheating, which is especially concerning for diesel engines.

      Check Engine Light

      Cause: Issues such as EGR valve failure, a clogged diesel particulate filter (DPF), or sensor malfunctions can trigger the warning light.

      Fuel Contamination

      Cause: Water or dirt in the diesel fuel can lead to injector and fuel pump damage, causing performance issues and requiring system cleaning.

      Turbocharger Failure

      Cause: Excessive oil consumption, poor lubrication, or foreign object damage can cause a loss of boost pressure and reduced engine efficiency.

      Unusual Engine Noises (Knocking or Hissing)

      Cause: Injector knock, air leaks in the intake system, or exhaust manifold issues can produce unusual sounds during operation.

      Excessive Vibrations

      Cause: Faulty motor mounts, imbalanced drive shafts, or misaligned components can cause the truck to vibrate abnormally, especially at higher speeds.

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