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.
P 2001 BMW X5 4.4i Fuel Filter Replacement Symptoms for Replacement: OBDII code P0171, Lean Bank1, which could be a bad or dirty MAF sensor Sluggish engine performance including hesitation with Wide Open Throttle (WOT). 2001 BMW X5 4.4i Fuel Filter Replacement Symptoms for Replacement: OBDII code P0171, Lean Bank1, which could be a bad or dirty MAF sensor Sluggish engine performance including hesitation with Wide Open Throttle (WOT).