P0171 + Really bad fuel economy
View Single Post
12-03-2012, 11:22 AM
All over Orange County
SWP Torqued Stg II
Could be a few things. Post MAF leak, bad/dirty MAF sensor, pre-O2 sensor leak, dirty fuel filter. I'd start with eliminating some of those issues and then go from there.
of the site do not see these ads.
View Public Profile
Find More Posts by swpshgnwgn