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Timing off CEL code and rattle

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Timing off CEL code and rattle

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  #1  
Old 06-11-2013, 12:20 AM
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Default Timing off CEL code and rattle

Hi all. I posted initially on this a few months ago. Here is the post if your interested: https://www.audiforums.com/forum/b5-...2/#post1430778

Finally got around to pulling the front end and valve cover off to check the timing. Here are pictures:
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Timing looks spot on to me. Let me know if you disagree.

I got a different code reader and now the code that is popping is P0011: P0011 - Bank 1: Camshaft A (Intake): Retard Setpoint not Reached (Over-Advanced) .

I also get a rattle usually at mid rpm's that sounds like it is coming from the back of the vavle cover (timing chain) I saw no indication of wear on the valve cover or head that I could see.

The rattle seems to occur when the car is warmed up more and also don't do it as much on new oil.

I'm wondering if I have an oil pressure issue due to sludge and the timing tensioner is getting slack causing the rattle and the timing off code.

I have run the first course of autorx and am now in the rinse phase. No change. I think my next step is to get a oil pressure gauge and see where I'm at. Any input would be appreciated.
 
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  #2  
Old 06-11-2013, 01:44 AM
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Your timing chain tensioner is either on its way out or isn't getting enough oil, that would explain the P0011 and rattling.
 
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  #3  
Old 06-11-2013, 03:15 AM
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timing looks fine to me. check oil pressure and report
 
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Old 06-11-2013, 08:24 AM
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forgot to mention I did replace the timing chain tensioner. That was my first suspiction too. I used one of these cheap ones: http://www.ebay.com/itm/VW-AUDI-1-8T-Timing-Chain-Tensioner-058109088K-/290920745410?pt=Motors_Car_Truck_Parts_Accessories&hash=item43bc3a49c2&vxp=mtr
Car behaved exactly like it did before I replaced the tensioner. I also replaced the front cam position sensor since they are cheap.

I'll see if I can get an oil pressure gauge that will work. Will one of the loaners from autozone fit? Looks like it threads in in a spot on top of where the oil filter mounts.
 
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Old 06-12-2013, 11:01 PM
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OK.I have tested my oil pressure. Here are the results:
Cold:
Idle 50 psi
2K RPM 65 psi
3K RPM 75 psi

Oil at 175 degrees
idle: 17
2K rpm 40 psi
3K rpm 55 psi

Seems low. What do you guys think?

Thanks for the assistance.
 
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Old 06-13-2013, 01:28 AM
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thats about what my pressure is. you could try running 15-40. it may help
 
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Old 06-13-2013, 10:48 AM
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Here is a video of the noise coming from the engine:
Since my oil pressure is close to spec I'm back to thinking I have a timing chain tensioner issue even though I already replaced this once. Maybe I got a bad one or the screen on the tensioner is plugging up. I went ahead and ordered a new one. This time I went with an OEM. I'll report back.
 
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  #8  
Old 09-23-2014, 09:32 AM
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Default Curious

How did that tensioner work out for you?
 
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Old 09-23-2014, 10:08 AM
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It did the trick. I still here a slight buzz sometimes at startup and certain low rpm's. Usually when I am getting close to oil change time. I think it was always there, I just now have a sensitive ear for it.
 
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  #10  
Old 02-08-2015, 11:20 PM
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Timing Chain tensioner fixed the rattle but didn't fix the P0340 code. Finally figured out that the timing chain that connects the cams was stretched. I replaced the chain and no more code and got some lost power back too. Hope this helps someone in the future.
 
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