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.
2012 GMC Acadia Fuel Injector COST Does anyone have a cost estimate to replace 1 fuel injector vs 6 of them in a 2012 GMC Acadia? I got a quote from the GMC dealer of $1100 for 1 vs $2000 for all 6. Besides the fuel injector are there additional things that should be replaced as part of that process?