Discovery I Talk about the Land Rover Discovery Series I within.

New Disco - Big Problem

Old Jan 7, 2014 | 08:54 AM
  #11  
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^ Very helpful! Thank you! What should I make of the cam position sensor code then?
 
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Old Jan 7, 2014 | 10:50 AM
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crank and cam sensors not jiving, there is no gaurentee is is the crank sensor or pickup ring I just suggest good place to start given the work you had done, I think I recall someone messing up the crank pickup just changing the starter
 
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Old Jan 7, 2014 | 01:35 PM
  #13  
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Here is a question though: If it is the crank position sensor, wouldn't the same issue be happening while it is in park and I push on the throttle? Perhaps not while it is just idling, but I was just driving it and it was losing power and acting like I let off the accelerator the whole time I was driving, then I put it in park and rev'd the engine up to 3k rpms and held it there with no issue whatsoever.

Still sounds like a crank position sensor? I'm not trying to be difficult, I'm just really confused by this.
 
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Old Jan 7, 2014 | 04:29 PM
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Fixed the problem! Turned out to be the tabs on the sensor wheel for the Crank position sensor. A few were so bent that they were touching each other. Bent them back to where they should have been and it runs like a top with no error codes. Thank for all the help!!
 
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Old Jan 7, 2014 | 06:42 PM
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Hey I got one right woohoo : )

Btw how did you access the part?
 

Last edited by TOM R; Jan 7, 2014 at 06:53 PM.
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Old Jan 7, 2014 | 08:09 PM
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The bottom 20% was visible already so I just manually cranked the engine to gain access to the rest as it turned.
 
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Old Jan 7, 2014 | 08:23 PM
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removed a panel?
 
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Old Jan 8, 2014 | 05:55 AM
  #18  
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Originally Posted by stefanwlsn
Here is a question though: If it is the crank position sensor, wouldn't the same issue be happening while it is in park and I push on the throttle? Perhaps not while it is just idling, but I was just driving it and it was losing power and acting like I let off the accelerator the whole time I was driving, then I put it in park and rev'd the engine up to 3k rpms and held it there with no issue whatsoever.

Still sounds like a crank position sensor? I'm not trying to be difficult, I'm just really confused by this.
I am happy that you found the issue of the tabs being bent. Keep in mind that the position of the teeth on the ring gear being picked up by the CAS and it's relationshp to the Cam gear position being picked cam sensot is going to be variable by at least 6 deg +or- under 3 conditions; Idle, LOAD and DECELERATION. Which explains the proper running condition present upon actuating the throttle either by hand at the throttle body or the pedal by foot.

Good for you! Cheers
 
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Old Mar 19, 2014 | 12:44 PM
  #19  
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So this problem came back. Getting misfire code and cam position sensor code again. Ordered a crank position sensor. Hopefully that fixes it. I can't afford to drop a bunch of money chasing a phantom.
 
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Old Mar 19, 2014 | 02:56 PM
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If I'm understanding, it sounds like you are missing the inspection plate at the bottom of the trans.

Do you think that debris is hitting those teeth, or something from outside is messing them up?
 
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