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.
The average cost for a fuel injector replacement is between $231 to $342. Labor costs are estimated between $168 to $213 while parts are priced between $63 to $129. Get a personalized estimate based on your location and specific car.
Try a good Fuel Injector Cleaner first. It be a lot cheaper than a new injector. Do not skimp on this, buy, a good cleaner. The Seafoam be good, also, I have used Lucus Fuel Injector cleaner with good results. I think that the name. Autozone has 2 different brand of injectors @ $76 and $172 without tax. replacement fuel injector is about $78 - $91 each + shipping. Follow the link below. You need to install it yourself or find someone to install it for you.