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Old 09-28-2022, 11:01 PM   #1
SIMPFLY
Scooby Specialist
 
Member#: 54794
Join Date: Feb 2004
Location: Bay Area
Vehicle:
Jan 2004 WRX new
Feb 2024 - 320,000 miles

Default 500,000kms; i own p171

just passed 310,700 miles thats 500,000 kms

got p171 last week, ive gotten that code soooo many times over the years.

this time it was the pcv hose from block to turbo under the intercooler. it was torn. easy fix. last time it was a grounding issue. before that maf, vacuum lines. i haven't had p171 due to spark plugs but thats possible as well. i change the spark plugs way too often for them for foul up . btw check out "project farm" on youtube and their tests on synthetic oils x turbo cars.

will post a pic soon.
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