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Old 01-09-2012, 02:53 PM   #1
jetski247
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Question camshaft position timing over advanced--built engine

i've been driving my car for a while now breaking in the new engine/clutch and today i got a camshaft positon timing advanced bank 1 or 2 i cant remember, but i have not tuned the car yet but have been staying out of boost to break the engine in.

it only happened for a short time, i erased the code, the car still had a rough idle and was easy to stall but then it went away and began to run smooth again. ive read several posts about this being a bad code and to change the oil but my oil still looks like new and only has about 500 miles ran through it.

other than that it seems to run really good. i had busdriverj build the short block and put used low mileage heads/cams on with a used vf22 with ported throttle body and ported tgv valves. the car was pro tuned back when it was stock before the turbo went and filled the engine full of shaving, nothing was re-used during the build, everything was replaced, oil cooler, avcs pully's all oil lines cleaned and filters removed.

if i keep throwing this code is it bad? the engine shakes real bad at idle when it did this and was easy to stall. if you build rpms it was smooth again.

its been raining like crazy and was thinking maybe something might have got wet cuz i had the hood up looking for a lose vacuum line at first and the engine got rained on pretty good.
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Old 01-12-2012, 11:39 PM   #2
jetski247
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well i put my old avcs solenoids back in and the rough idle went away and seems to be running fine, i ran half a tank through it with no problems yet.

which side is bank 2?

i pulled the plugs and the passanger side looked fine and the drivers side looked rich.
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Old 01-13-2012, 10:14 AM   #3
cueball89
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Hook a 9volt up to the avcs solenoid and see if it moves. I put in a new solenoid and it didn't work, it was jammed up and I had to manually free it.
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Old 01-13-2012, 07:36 PM   #4
jetski247
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well it came back today, if i putt around it seems to run rough, if i make a spirited run for a few seconds it will go away and idle smooth.

the oil is new, i removed all the banjo bolt filters, do you think that changed oil flow to change the way they work?
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Old 01-17-2012, 12:44 AM   #5
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seems that my clutch might be the culprit, when i ride the clutch a bit seems to make the low speed shake go away.

maybe the clutch i put in was put in wrong? if i smoke the clutch a bit idle is restored?? i'm going to take my clutch to get checked out. then get a tune.....maybe it will keep running
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Old 01-17-2012, 02:26 AM   #6
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Over Advanced camshaft code can sometimes be caused by the banjo bolt filters as mentioned in service bulletin 02-103-07

My advice would be to pull it out and make sure its not clogged or a seized turbo might be next on your plate.
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Old 01-17-2012, 06:25 PM   #7
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Do you have any way of looking at the actual advance of each side? I got an over advance code when my left solenoid was stuck at basically 0 degrees and the right side was hitting 40 degrees like it was supposed to.
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Old 01-17-2012, 09:10 PM   #8
jetski247
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i removed all banjo bolt filters before the engine went out the first time so they are not in there. i'm more curious if the flow change may effect it with no filters?

i replaced my avcs solenoids with known working ones and still does it.

it comes and goes......if i ride the clutch kinda hard so that i smell clutch, the engine will stop shaking so bad at idle and purr like a kitten.

i'm going to have the clutch checked out this week then go and have it tuned and see what happens.

it needs a tune thats for sure, only getting about 175 miles a tank in town, gets worse than my old 351 with 35" tires.

anybody know which side is bank 2?

Last edited by jetski247; 01-17-2012 at 09:19 PM.
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Old 01-18-2012, 09:02 AM   #9
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rough idle is back, id like to fix this before i go get it tuned but i've swapped avcs solenoids with known working ones and it still comes and goes, one day it will run really good and smooth and then out of no where it will start to idle rough and my boost needle will start bouncing all over the place.

i just hope that there is nothing wrong with the engine. i know my driver side plugs look real rich since that is the side with the problem
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Old 01-18-2012, 09:37 AM   #10
STIBungy
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A friend of mine had this problem for a while. Swapped solenoids and even the intake cam gears. Now he's at the point of pulling the motor and checking valve clearances.
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Old 01-18-2012, 07:58 PM   #11
jetski247
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well i checked all the valve clearances before i put the valve covers on and all was well, i really hope nothing is messed up in the valvetrain.

cam gears are all new due to metal shaving being sent through everything when the engine went out last time.

some days its great, others its not.
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Old 01-22-2012, 06:25 PM   #12
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well as an update, i cleaned my avcs solenoid one more time, switched to rotella 5w40 and so far all day no more p0021 code.

the valvoline 5-30 i was running came out like water........it was still somewhat clear due to the low miles on the new engine but very runny.

no more erratic idle and pop out of the exhaust since the oil change, i removed the hard oil line going to the avcs solenoid and cleaned it as well as the banjo bolts but didn't find any blockage. does oil run from the avcs to the cam or vise versa?
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Old 06-28-2013, 11:50 AM   #13
SienerSubie
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Hey guys I just got this code I had it read and noticed my oil was low added oil and it went off later that day it came back on.... Went and had my oil changed still stayed on had the code erased came back on the next day now starting to idle weird... What should I do?
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Old 07-15-2013, 08:19 PM   #14
northwesterner
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Default P0011 code Subaru WRX 2008 stock

I have received this code several times now and the mechanics are stumped.
The car drives beautifully, no detrimental effects to the turbo or performance otherwise. Most recently, the check engine light came on 120 miles after having work done and the code reset. I was getting on the freeway in 5th gear and let the RPMs slip below 2,000 when the light came on. The vehicle occasionally will send minor vibrations while at a stop, but it's not alarming.

My WRX is an '08 with 72,000 miles and no modifications. Prior to the check engine light coming on, the timing belt was replaced and oil changed regularly. Since the P0011 code, I've had both camshaft position sensors replaced (banks 1 and 2), as well as the oil changed again.

Please advise as to what direction I should go in. Is it just a timing issue that can be resolved with the high quality tools of a dealership, or am I looking at serious maladies. Thanks!
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