The definition of a rule is  an official regulation, code of regulations or set practice. An example of a rule is that a red light means stop. An example of a rule is an employer demanding their employees arrive at 8am.
New injectors cost anywhere from $80-$120 apiece, making their replacement a somewhat pricey endeavor. There are three types of injector leaks-it can leak fuel into the manifold from the nozzle, it can leak fuel into the engine compartment from the fuel rail, and it can leak air (vacuum leak) from the manifold.
Fuel injector replacement cost. The simplest type of fuel injector is relatively cheap and may cost as low as $25. Depending on the brand and function, some fuel injectors may go over $100.Double this amount for labor costs if you don't plan on doing the repair and replacement yourself.For high-end vehicles, replacement and labor costs may go up to $300. If you want to save more money, purchase a fuel injector that fits your car's specs and follow the instructions on the installation manual.DIY repair is definitely the way to go if you want less expenses.ouble this amount for labor costs if you don't plan on doing the repair and replacement yourself. For high-end vehicles, replacement and labor costs may go up to $300. If you want to save more money, purchase a fuel injector that fits your car's specs and follow the instructions on the installation manual.