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Help wanted! P0011 code and Loud mivec clack

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Old Aug 2, 2022 | 08:41 AM
  #16  
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Originally Posted by epham9328
would a bad tensioner cause a p0011 code to throw?
I don't believe the tensioner would cause that code. You need to log MIVEC and compare the log values vs what you are commanding in the tune to see if they correlate. The P0011 could be caused by a bad cam sensor, cam timing off a tooth, or you have something wrong with the MIVEC solenoid. The MIVEC solenoid can be tested with a 9 volt battery and i would also recommend replacing the orings as well as checking to see if the screen is clogged. I pulled this from another thread...

P0011- Variable Valve Timing System.
Technical description
* The ECM checks the VVT system for malfuntion.
Description of monitor methods
* The phase angle of the intake camshaft is Higher than the specified value.
Monitor execution
* Continuous
Check Conditions:
*20 seconds have pass since the starting sequence was completed.
*Engine speed is 1,200 or more.
*Engine coolant tep is higher than 76C (169F)
Judgement Criterion
* The phase angle of the intake camshaft is 5 degrees or more for 5 seconds.
OBD-II drive cycle pattern
* Refer to Diagnostic function- OBDII drive cycle- Pattern 21
Trouble shooting Hints (most likely coauses for code to set)
* Oil feeder control valve failed.
* Oil passage of VVT control system clogged.
* VVT sprocket operation mechanism stuck.
* ECM failed.


Originally Posted by epham9328
do you possibly have a sound clip of what yours sounded like?
unfortunately I do not
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Old Aug 3, 2022 | 03:02 AM
  #17  
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Originally Posted by epham9328
Yeah. I’m going to buy a new one and try to find out if that solves my problem. The tensioner I have now seems fine and there is no grease release anywhere. I have repinned it couple of time but im going to give it a shot. My first mivec failed because insufficient oil. The oil feed line for it actually somehow had a hole in it which cause that mivec to fail. I have a new one now and still making the noise. I’m still thinking it’s a clogged port or something because it seems crazy that a tensioner would cause all that noise
would a bad tensioner cause a p0011 code to throw?
did you take a cam cap off and check for cam wear?
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Old Jan 15, 2024 | 05:20 PM
  #18  
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Same here I also have a P0011 code on my car.

No issues with performance or weird sounds at the top end.
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Old Jan 15, 2024 | 05:21 PM
  #19  
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I've heard from other so cal evo owners that the usual issue is the VVT sprocket getting stuck.
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