Portuguese 
Spanish 
Have You Heard That Preventive Cleaning of Fuel Injectors Is Essential for the Proper Functioning of the Car? But Is It Really Necessary or Just Another Scheme by Mechanics to Rip You Off?
Fuel injectors are essential parts for the car, responsible for distributing fuel in the engine. CPG spoke with experts from DR Auto Mechanics, and according to them, they already come with a self-cleaning system. In other words, while the fuel passes through the injector, it performs a natural cleaning, eliminating the need for a constant cleaning procedure. However, many mechanics claim that preventive cleaning is indispensable and recommend the service at almost every maintenance check.
Is Preventive Cleaning of Fuel Injectors Really Necessary?
DR Auto Mechanics, with over 30 years of experience, states that cleaning fuel injectors is only genuinely indicated when there are specific performance failures in the vehicle, such as loss of power, difficulty starting, or excessive fuel consumption. According to them, this practice should not be part of preventive maintenance unless the injectors are showing clear problems.
The professionals explain that, in addition to a filter at the inlet of the injectors, the fuel also passes through other filters throughout the system, which prevents a large part of the impurities from reaching the fuel injectors.
-
Toyota Launches First 100% Electric Car in Brazil: bZ4X with 343 HP, All-Wheel Drive, 361 km Range, Priced at $419,990 BRL, Limited to 99 Units
-
Chinese SUV Achieves 24.4 km/l, Outperforms Toyota Yaris Cross in Real-World Tests with 224 hp Hybrid System, Offers 51-Liter Tank for Greater Range, and Costs Up to R$ 5,000 Less.
-
Uber Black Revamps Fleet, Drops Ten Car Models and Sets Deadline for Electric BYD Dolphin
-
Chinese Giant Uses Metal Structures and Cranes to Deliver Over 700 Electric Cars to Brazil
“If you refuel at a trustworthy station, the injectors already have sufficient protection to avoid clogs,” they affirm. However, if the fuel is adulterated or if there is a buildup of residues due to the use of alcohol, for example, there may be a dirt accumulation inside the injectors.
When Is Cleaning of Fuel Injectors Really Necessary?
According to DR Auto Mechanics specialists, it is essential to perform injector cleaning only in specific cases. They explain that if the car shows symptoms of injector problems, such as combustion failures, cleaning can be done on an ultrasonic machine.
This equipment uses vibrations to remove dirt particles from inaccessible areas of the injector, ensuring a deeper and more efficient result.
“It is important to replace the internal filter of the fuel injectors and not rely only on external cleaning,” advises the team at DR Auto Mechanics. This replacement of the filter can help extend the life of the injector, especially in cars that use alcohol, a fuel that tends to leave more residues in the system.
Be Careful with Dubious Refueling
In addition to highlighting the importance of cleaning only when really necessary, the specialists warn about the quality of the fuel. Refueling at low-reliability stations can result in accumulated dirt in the injectors, harming not only the fuel injectors but also other components of the engine.
According to DR Auto Mechanics, preventive cleaning of fuel injectors often amounts to a scam to increase maintenance costs.
The practice is only recommended if there are real problems in the functioning of the injectors and, even so, should be performed with specialized equipment, such as the ultrasonic machine. Therefore, stay alert and, at the next maintenance check, question your mechanic about the real need for this service.
Be the first to react!