p0171 p0174 please help!!!
11-18-2006, 11:19 AM
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Join Date: Sep 2006
Location: Bordentown, New Jersey
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p0171 p0174 please help!!! when i got the car i had a tune done to it. car ran good besides a few minor problems. my cats went bad so the dealer replaced them. under warrenty. after that p0171 and p0174 codes came up. could the tune need adjusting due to new cats? any suggestions would help me solve this problem.
