P0011 - Subaru Forester Owners Forum
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post #1 of 10 (permalink) Old 10-26-2010, 05:52 PM Thread Starter
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P0011

Hi All,

I have an '04 fXT mt. I got this P0011 error a few weeks ago and have been battling it ever since. I get a really rough idle and at times it feels like my turbo doesn't even spool up. It feels like I'm pulling a boat behind me. I've taken out the oil line filters, cleaned the oil flow control valves, sea foamed through the bypass line, changed td04 turbos, check my timing belt(all marks line up fine), changed my pcv valve, changed my fuel and air filters, changed my oil and filter and that's about it. The rougle idle decreased significantly and at times I can't even feel it. I can reset the code, it goes away for about 15-30 miles and then comes back. I'm completely stuck and have no idea what else to do. The only thing I can think of is that my avcs camshaft sensors are clogged, but they're way back on the block behind the manifold and I don't want to start taking that apart just to get to them. Any suggestions?
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post #2 of 10 (permalink) Old 10-26-2010, 06:34 PM
The Seventh Sister
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Here's some more ideas: Help gotta CEL P0011 Code 05 Forester XT

Bad AVCS solenoid perhaps?

-Silke
04 FXT PP PSM ~ "Subed"
98 Forester S ~ "Slynki"
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post #3 of 10 (permalink) Old 10-26-2010, 07:22 PM Thread Starter
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Yeah, but they're way in the back. A huge PITA to change out from what I understand.
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post #4 of 10 (permalink) Old 10-26-2010, 07:29 PM
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no tha avcs solenoids can be swapped in about ten mins per side. quick way to check the solenoid is to switch them from side to side. see if a p0012 pops up

2001 forester L 5sp, licenced auto technician
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post #5 of 10 (permalink) Old 10-26-2010, 07:34 PM Thread Starter
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are the solenoids right behind those banjo bolts? just held in place by the one screw?
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post #6 of 10 (permalink) Old 10-26-2010, 07:35 PM
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yep those are the ones

2001 forester L 5sp, licenced auto technician
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post #7 of 10 (permalink) Old 10-26-2010, 07:42 PM Thread Starter
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I cleaned them, but i'm not sure if i actually swapped them come to think about it. My scan tool showed p0011 and pending codes of p0301 and p0303 but i don't think i have any misfires.
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post #8 of 10 (permalink) Old 11-02-2010, 09:54 AM Thread Starter
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The problem is fixed! I switched the Oil flow control valves and the code followed. It threw a p0021 instead of a p0011 code. I took out the driver's side (p0021) oil flow control valve and hit it with a mix of pb blaster and after about 15 minutes I took some throttle body cleaner to it and worked the action a little bit on it. I put the valve back into the suby and have been driving it since.
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post #9 of 10 (permalink) Old 11-10-2010, 09:39 AM
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I really hate to be that guy, but how's it been since?

04 FXT 6-speed - 61 Studebaker Lark
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post #10 of 10 (permalink) Old 06-08-2013, 11:55 AM
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I don't know how to post pictures here, but that hose behind the passenger's side OCV is a real pain to disconnect; I have a 2010 Forester XT. I used a 48" cable tie that was left over from my house air conditioning flex duct job and it allowed me to pull that hose off rather easily, actually a 24" would have been plenty. Anything similar that wasn't sharp-edged would have been fine, too.
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