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P0171 + Really bad fuel economy
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12-04-2012, 01:00 AM
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8
Flynlow151
Scooby Newbie
Member#:
77870
Join Date:
Dec 2004
Chapter/Region:
NWIC
Location:
Redmond, Wa
Vehicle:
2004 Subaru STI
TheBoostCreep Stage II
Get some brake clean, spray it on your hoses. When you hear the car jump up on rpm's, there is your leak. P0171 and bad fuel mileage is an obvious vacuum leak.
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