Brake And Front End Advertise | Subscribe | Contact Us

Tech Tip: Subaru DTC P0011 and Excess Smoke from Tail Pipe

December 8, 2011

Affected vehicles:

2004-’05 Forester XT 2.5L

2005 Legacy 2.5L, Turbo, EJ255

2005 Outback 2.5L, Turbo, Eng Cfg H4, EJ255

2006 Forester X L.L. Bean Edition 2.5L

2006 Impreza WRX Sti 2.5L

2006 Outback XT 2.5L

Customer Concern:

Trouble code P0011. Active Valve Control System (AVCS) B1 position over-advanced and excess smoke from tail pipe.

Potential Causes:

– Banjo Bolt — Install banjo bolts without screens.

– Turbocharger

Diagnostic Codes: P0011


1. The intake cam is advanced when it should not be. See TSB 02-97-05 for possible restricted AVCS banjo bolt filter.

2. Check scan data for cam position.

3. Check oil pressure. If low check the intake manifold for oil.

4. If oil is present, there’s a possible turbo seal leak, causing low oil pressure.

Courtesy of Identifix.



More Articles in Exhaust

article image
Catalytic Converter 101: A Basic Understanding Of How Catalytic Converters Operate
"Direct-fit" catalytic converters are of three basic types: two-way, three-way and three-way plus ox...
Tech Tip: Check Engine Light Is On With Fault Code P0420
Technicians servicing Volkswagen vehicles may encounter a check engine light (MIL) that is on with f...
Featured Tech Videos
video image
Watch Now
video image
Watch Now
© Copyright 2014 Babcox Media, Inc. All Rights Reserved
3550 Embassy Parkway, Akron, OH 44333
(FAX) 330-670-0874