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06 A8 missfire n cam sensor codes p0341 n p0301

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06 A8 missfire n cam sensor codes p0341 n p0301

  #1  
Old 04-11-2011, 10:44 PM
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Default 06 A8 missfire n cam sensor codes p0341 n p0301

Im currently getting these codes (p0341, p0301, p0300 and p0303) and wanted to know if being that im having missfires on cylinder 1 and 3 if it could be the reason for the p0341 cam sensor code. The car had all the coils replaced under warranty in december.....Also has anyone every change the Cam sensor on bank1? It seems as if its just the two screws that holds it down and doesn't seem that difficult to replace. Any help will be appreciated thanks
 
  #2  
Old 04-11-2011, 11:49 PM
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It seems to be the same attachment on a D2 4.2L engine (don't have a manual for D3) and is held just by those 2 bolts. On the D2, you must also take out bolt that holds rear timing belt guard to the head (timing belt and gear stay in place) in order to free up the sensor for removal...looks pretty simple, if the same as D2...should be about the same(?)
 
  #3  
Old 04-12-2011, 12:19 AM
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Originally Posted by silverd2 View Post
It seems to be the same attachment on a D2 4.2L engine (don't have a manual for D3) and is held just by those 2 bolts. On the D2, you must also take out bolt that holds rear timing belt guard to the head (timing belt and gear stay in place) in order to free up the sensor for removal...looks pretty simple, if the same as D2...should be about the same(?)
Thanks for the input but based on what i saw after taking off the upper timing belt cover it is not attach to the timing belt or gear. In other words there isnt anything in its way of getting it out after removing the two screws.
 
  #4  
Old 04-12-2011, 08:51 AM
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It appears the same way on my D2, but have never removed one. Bentley manual mentions the need to free up the belt guard to remove the sensor housing. It appears that a bit of the guard covers the upper right corner of the sensor (D2 version):

Campossens.jpg?t=1302613440
 

Last edited by silverd2; 04-12-2011 at 09:07 AM.
  #5  
Old 04-12-2011, 03:48 PM
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Originally Posted by silverd2 View Post
It appears the same way on my D2, but have never removed one. Bentley manual mentions the need to free up the belt guard to remove the sensor housing. It appears that a bit of the guard covers the upper right corner of the sensor (D2 version):

Ok kool thanks man my next question is does it have be at TDC or anything like that or just take it out and put the new back
 
  #6  
Old 04-12-2011, 07:00 PM
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Originally Posted by jamm220 View Post
Ok kool thanks man my next question is does it have be at TDC or anything like that or just take it out and put the new back
No, not necessary...it's just like a hall sender (like in electronic ignition distributors) that simply reads reference "marks" on the end of the intake cam.
 
  #7  
Old 04-12-2011, 09:30 PM
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Originally Posted by silverd2 View Post
No, not necessary...it's just like a hall sender (like in electronic ignition distributors) that simply reads reference "marks" on the end of the intake cam.
ok last question i promise lol base on my codes i was reading that more than likely since im getting the code p0341 seems like the timing is off? car runs fine but i also have missfires on cylinder 1 and 3. do you think the missfires could cause the cam sensor code or visa versa
 
  #8  
Old 04-13-2011, 08:12 AM
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It wouldn't be so much a case of one causing the other, as both having the same cause. If your timing is off it will cause both errors.
 
  #9  
Old 04-13-2011, 10:02 AM
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Originally Posted by jamm220 View Post
ok last question i promise lol base on my codes i was reading that more than likely since im getting the code p0341 seems like the timing is off? car runs fine but i also have missfires on cylinder 1 and 3. do you think the missfires could cause the cam sensor code or visa versa
The P0341 code indicates a cam position sensor problem...not cam timing...BUT, incorrect readings from a bad cps would confuse the ECM, likely causing the misfires.
Start with sensor and see what happens.

P.S. You can't ask too many questions...only way to learn and diagnose a problem. Happy to help.
 
  #10  
Old 04-15-2011, 11:12 AM
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I have a similar issue, hope you don't mind if I bust into the thread.

I'm throwing P0300 and P0341. Random Misfire and Bank 1 CPS.

I've already swapped out the Sensor for a good one, so that's not the issue.

The timing belt and Camp Tensioner in the Bank 1 head were replaced recently by a shop. (Long story as to why I'm doing it myself now)

Could this mean that the timing belt was put off a tooth on the Bank 1 side? Or is this an indication of the cam being off on that side?
 

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