If your car was newer you could get the pretty useless info you pursue from Auto zone for free. Why would they do it for free you ask. Because folk that know nothing about what they are doing will buy a lot of useless parts from info at that level. Fix a couple problems with your code reader and then decide who paid more money you or your brother

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician