41. The computing system of claim 29 , wherein the message identifies at least one of a make, a model, or a year of manufacture of the first vehicle, the functions further comprising: identifying a first plurality of phrases stored by the computing system that are each associated with the at least one of the make, the model, or the year of manufacture of the first vehicle and the symptom of the first vehicle, wherein the first plurality of phrases includes the first phrase; and determining that the first phrase corresponds to at least a predetermined amount of repair records stored by the computing system, wherein sending the repair tip to the second computing system comprises sending the first phrase based on determining that the first phrase corresponds to at least the predetermined amount of repair records stored by the computing system.
29. A computing system comprising: one or more processors; and a non-transitory computer-readable medium storing instructions, that when executed by the one or more processors, cause the computing system to perform functions comprising: receiving, from an additional computing system, a message identifying a symptom of a first vehicle; and sending a repair tip to the second computing system, wherein the repair tip comprises: a first phrase describing a first procedure performed on a second vehicle that exhibited the symptom, wherein the first procedure performed on the second vehicle yielded a result insufficient to determine that a component of the second vehicle associated with the symptom is defective; and a second phrase describing a second procedure performed on a given vehicle, wherein the given vehicle is either (i) the second vehicle or (ii) a third vehicle that also exhibited the symptom, wherein the second procedure performed on the given vehicle yielded a result sufficient to determine that a component of the given vehicle associated with the symptom is defective, and wherein the component of the given vehicle is equivalent to the component of the second vehicle.