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FAQ: What does the term static means?

ERIKC Answer: If an ERIKC injector stays on all the time, 100% duty cycle, it is said to be static. Injectors should never go static because control of fuel delivery is lost and this can cause catastrophic engine failure. Static injectors, or 100% IDC is normally an indication that the injector is too small for the engine. Injector duty cycle should usually not exceed 80%. Once 80% IDC is reached a bigger injector should be installed.

In some instances low fuel pressure or a failing fuel pump can cause injectors to become static. On the other hand, there are some injectors that will go static if the fuel pressure is too high.

FAQ: What will cause injectors to go bad when not in use?

ERIKC Answer: The internals of injectors are made of various steel alloys that will corrode and or rust when in the presence of moisture. Large parts of America contain enough moisture to cause corrosion/rust damage. Gum, varnish and other normal deposits can be removed by cleaning but once an injector dries out and the deposits hardened inside causing a pintle to get stuck to its seat, that injector will become inoperable and in most cases not possible to clean.