P0513 code coming up on 2006 land rover hse

Question

Codes also p0171 and p0174

Answer 1

P0513 Incorrect immobilizer key

This code is security key invalid, even though this code is vague, what you need is a scan tool that can read Land Rover manufactuer code, In a generic code reader you just get the 5 digit code, when using a factory level scan tool you get the 7 digit code the 2 extra give you the precise cause for setting P0513, You also may have other code in the system from different modules, As for P0171 and P0174 . these are fuel trim lean condition, some of the major cause for a lean code condition are vacuum leaks getting pass the MAF (mass air flow) that should always be the first to inspect for.