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• 201.

  Does fuel injector cleaner work on GDI?

  Yes, injector cleaners can effectively clean deposits and improve the performance of gasoline direct injection (GDI) injectors, but their effectiveness may vary depending on the product and the severity of the deposit.
• 202.

  How long do GDI injectors last?

  Like any other automotive component, the lifespan of a gasoline direct injection (GDI) injector can vary based on several factors. The following are some factors that affect GDI injector life:
  
  ① Fuel quality: The quality of the fuel you use is critical to the service life of your GDI injector.Contaminated or low-quality fuel can create deposits and impurities that can affect the injectors over time.
  ② Maintenance: Regular maintenance, including following recommended fuel system cleaning and using fuel additives when necessary, will help extend the service life of your GDI injector.
  ③ Driving conditions: Harsh driving conditions, such as frequent stop-and-go traffic, towing heavy objects, or driving in extreme temperatures, may put additional stress on the injector and affect its service life.
  ④ Vehicle usage: The overall usage of the vehicle, including the total mileage and the driving style of the car, will affect the service life of the GDI injector.
  ⑤ Manufacturer quality: The quality of GDI injectors themselves and the materials used in their construction may vary from different manufacturers. Higher-quality injectors may have a longer service life.
  
• 203.

  Is fuel injector cleaning service necessary?

  Whether you need an injector cleaning service depends on a variety of factors. Here are some things to note:

  ① Symptoms of clogged fuel injectors: If you notice symptoms such as poor fuel efficiency, rough idling, hesitation or stalling, and overall reduced engine performance, it may be a sign that your fuel injectors are clogged. In such cases, a fuel injector cleaning service might be beneficial.
  
  ② Fuel quality: The quality of the fuel you use will affect the cleanliness of the injector. Over time, low-quality or contaminated fuel can cause deposits to build up on the injectors. 
  
  ③ Driving conditions: If you often drive in stop-and-go traffic or under conditions that put stress on the engine (such as towing heavy loads), Your fuel system may build up deposits more quickly, and regular cleaning may help.
  
  ④ Mileage: Vehicles with higher mileage are more likely to have fuel system deposits. If your vehicle has racked up a fair amount of mileage, especially if you haven't had any fuel system maintenance done, a cleaning service may be worth considering.
  

• 204.

  Can recovered R134a be reused?

  Yes, recovered R134a can be reused after going through an appropriate recovery or recycling process. The recycling process includes purifying and cleaning the recycled refrigerant to meet industry standards and specifications. This ensures that the recycled R134a is of sufficient quality to be reintroduced into refrigeration or air conditioning systems.
• 205.

  Which refrigerants must be recovered before?

  Refrigerant recovery is a critical step in the maintenance, repair or disposal of refrigeration and air conditioning systems. It is generally required for refrigerants that have ozone-depleting potential (ODP) or global warming potential (GWP). Here are some common refrigerants that must be recovered before any service or disposal:

  Chlorofluorocarbons (CFCs):

  Examples: R11, R12, R500

  CFCs are known for their high ozone-depleting potential. Due to environmental concerns, the recovery of CFCs is essential to prevent their release into the atmosphere.

  
  

  Hydrochlorofluorocarbons (HCFCs):

  Examples: R22, R123

  HCFCs have lower ozone-depleting potential compared to CFCs but still contribute to ozone depletion. Recovery is required to minimize environmental impact and promote responsible handling.

  
  

  Hydrofluorocarbons (HFCs):

  Examples: R134a, R410a, R404a

  While HFCs have zero ozone-depleting potential, many have high global warming potential (GWP). Recovering HFCs is important to prevent their release and to manage their environmental impact.

  
  

  Hydrocarbons (HCs):

  Examples: R290 (propane), R600a (isobutane)
  HCs have low or zero ODP and low GWP. While they are considered environmentally friendly, their recovery is still important for safety reasons, as they are flammable.