If a fault code appears in the OBD scanner, how tough is it to map the fault to the part of the car that is causing the problem? Is there any website (or api or mobile app) that has this mapping so that with each fault code I know which part(s) needs to be repaired/replaced? Also where can I find the cost of car parts or sensors (manufacturer specific, and still better if that is car model specific) that need to be changed when a fault code appears?
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