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Latest News Injector Service Components What a technician needs to know about Fuel injector service requirements to ensure the vehicle Air/Fuel ratio is not affected. Fuel injectors in general will eventually reduce the fuel quantity delivered to a cylinder due to multiple causes. Reducing the quantity of fuel required as we all know creates a leaner mixture and results in;
What are the common causes of fuel injectors becoming restricted / blocked / dirty? First, let’s look at the preventable causes.
Note: In most cases, excessive rust scaling inside the injector generally results in replacement and not servicing injectors. An injector that jams in an open condition due to rust particles may cause extreme engine failure. The injector has a manufacturing tolerance of 1 micron which is one of the finest tolerances on any mechanical component.
General causes of blocked / restricted / dirty injectors.
This may affect different brand injectors with pintle types or multi hole types in different ways.
Note: Tank additive injector cleaners are not effective for baked on gum/varnish. They are generally a preventative only and may cause fuel system component damage if over used. Removal of injectors for servicing and post service testing is the preferred procedure. Ultrasonic cleaning with a suitable fluid ensures all wax/gum is removed from affected areas. On vehicle injector cleaning will result in improved driveability but will not result in complete servicing as the filter baskets cannot be inspected for sediment build up. Can all Injectors be serviced? The simple answer is NO but you need to determine which system is utilised by the vehicle and suspected fault prior to consulting customer.
Note: Many direct injection type injectors may be serviced and tested, but require specific test equipment due to high operating voltages and pressures. Specific Teflon seals are also required with specific fitting procedures.
Quality of Injector Service Kits make a difference on general fuel injectors.
The PlusQuip IJK-001 Fuel Injector Service Kit contains 1285 individual components; covering 20 part-numbers, and includes;
To see more information on the PlusQuip IJK-001 Fuel Injector Service Kit click here. A full range of refill components are also available to replenish the kit as required. The PlusQuip Fuel Injector Service Kit and refill components, as well as specific Fuel Injector Service Kits, are available from specialised resellers and leading automotive retailers. The Premier Auto Trade Fuel range has over 160 Injector service components including service kits for nearly 300,000 vehicle applications in Australia and NZ, and individual service components to suit many more. When you supply and fit products from Premier Auto Trade you can expect a product designed and tested to the vehicle manufacturer’s specifications offering OE form, fit and function.
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