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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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  #1  
Old 07-03-2009, 03:20 PM
JKYLE46@HOTMAIL JKYLE46@HOTMAIL is offline
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Crankshaft position sensor question.

I have a 2001 330xi. The cel is on and P0335 cps is indicated. I understand it is located under the starter near the transmission. I raised the can and removed the engine covers, but I cannot see the sensor. Has anyone ever had to replace on of these on an xi? Do I need to remove the transfer case? I also got code P0727 speed input no signal sensor A.
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  #2  
Old 07-03-2009, 06:03 PM
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tturedraider tturedraider is offline
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Cam Shaft Position sensors are located on the top of the engine near the front.
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Old 07-03-2009, 06:31 PM
Ryan M Ryan M is offline
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Crankshaft sensor or Camshaft sensor? They are in two totally different places
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Old 07-03-2009, 06:38 PM
JKYLE46@HOTMAIL JKYLE46@HOTMAIL is offline
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CRANKshaft sensor
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  #5  
Old 07-03-2009, 06:42 PM
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tturedraider tturedraider is offline
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Quote:
Originally Posted by JKYLE46@HOTMAIL View Post
CRANKshaft sensor
Oops. Sorry. Guess I saw the C....shaft and didn't process the whole word.
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Old 07-03-2009, 06:40 PM
Ryan M Ryan M is offline
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The crankshaft sensor is mounted on the transmission bellhousing. It uses the flywheel inside as a tone ring.
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Old 01-21-2013, 09:17 AM
EthirtyMine EthirtyMine is offline
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FWIW, I just went through this. I couldn't find an experience like mine already documented here, so this is more for posterity than anything else.

I had P0335 and P0727 on my 11/99 528iT (m52TU and A5s360r).

When you have your CKP (crankshaft sensor) out, with the air channel and the microfilter housing removed and a strong flashlight, you can see down the hole in the block through which the CKP is mounted.

Put a ratchet on the crank on the front of the motor.

While peering into the CKP hole, turn the crank (from the front of the car, clockwise) and look at the teeth on the impluse sending wheel. There should be a space where the teeth are absent, about the size of 2-3 minutes on a clockface, that is normal. If there is more than one spot without teeth, or if the toothless spot is large and/or has broken, jagged edges, the most likely scenario is a broken/damaged impulse sending wheel.

This was the case for me. To get to it, the motor has to come out, and by the time you tear down the engine to get to the crank, you might as well just put in a good quality lower mile used motor instead of replacing the bleepin' $40 impulse wheel.
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Old 01-22-2013, 02:50 AM
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bluebee bluebee is offline
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I typed /CKP F3 into the bestlinks, and found this, which 'might' help the OP:
- How to locate, access, and replace the CKP crank position sensor (aka crankshaft pulse generator) in the I6 (1)
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See also: E39 Bestlinks & How to easily find what you need
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