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Volkswagen
Passat
Trouble Codes
P Codes (Powertrain)
P0400 - P0499
P0411
01 vw passat 1.8 fix for obd code p0411
2001 VOLKSWAGEN PASSAT
128,000 MILES • 4 CYL • FWD • AUTOMATIC
THOMS1
MEMBER
1 POST
whats the fix for obd code p0411 (2nd air inj. sys. incorrect flow)?
Feb 19, 2011 at 7:09 AM
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MERLIN2021
✓
Experienced Mechanic
17,250 POSTS
I have found several times that the vacume supply hose from sec air solinoid will be broken at combo valve. This most always fixes this code.
Feb 19, 2011 at 7:19 AM
MERLIN2021
✓
Experienced Mechanic
17,250 POSTS
Picture below
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Feb 19, 2011 at 7:33 AM
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