Thread: codes 171 and 174
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Old 04-23-2013, 08:53 PM   #2
autojoe
AF Regular
 
Join Date: Jan 2004
Location: Newbrighton, Pennsylvania
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Re: codes 171 and 174
do you have a good scan tool?able to monitor short and longterm fuel trims?koer test?usually caused by vacuum leaks.....low fuel pressure....dirty maf.....
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