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crankshaft speed sensor code P0321????

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crankshaft speed sensor code P0321????

  #1  
Old 08-13-2008, 09:55 AM
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Default crankshaft speed sensor code P0321????



Hi everyone...I have a 98 A8 in great condition EXCEPT that out of nowhere it died on me as I was driving on the highway (I guess that doesn't sound like great condition)
According to the code P0321, I need a crankshaft speed sensor...does anyone know about this???
 
  #2  
Old 08-13-2008, 03:54 PM
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Yeah its a magnetic pick up sensor that reads the teeth on the crank flex plate, the signal is sent to the ECM so the ECM knows when to fire the spark plugs and fuel injectors. If the signal gets interupted the engine wouldn't run. You need to replace that.
 
  #3  
Old 02-05-2009, 12:25 PM
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I've been having this problem lately.. EPC and CEL accompanied by random stalling, especially while the car is resting like at a stoplight. It's intermittent, happening usually once a day accompanied by limp mode. The codes i got are:

P0321
Ignition/Dist
Engine speed input
CKT Range/Perf

P0322
Ignition/Dist
Engine speed input
No Signal

sounds like a bad crank sensor?? -- 1.8t stock
 

Last edited by petabell; 02-05-2009 at 01:19 PM.
  #4  
Old 05-11-2009, 11:04 AM
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I have the P0321 code to but my A6 ran fine but i couldent clear the code. So i replaced the crank sensor and the engine light clears but i still have the same code. Any suggestions.

Thanks paul
 
  #5  
Old 05-11-2009, 05:38 PM
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Thats the second post thats in the wrong forum. Post a new thread in the A6 forum about your fault code and more members can help you out. I'll chime in as well as long as you're in the correct place.
 
  #6  
Old 10-19-2009, 12:04 PM
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Default Cranshaft Position Sensor

Hi Everyone,
I also have the P0321 code on my 1999 A8. I didn't have any issues with starting the car, or stalling, however while driving at constant speeds I could see the RPMs fluctuate slightly. Then the check engine light came on and thats when I had the codes checked. In addition to the P0321 I have a P0307(cylinder 7 misfire). Could the two be related? I haven't replaced the sensor yet, i'm trying to confirm that it will solve the problem.

Thanks for any help you can provide.
 
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