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Old 06-10-2015, 01:23 PM
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Crank Shaft Position Sensor DIY with PICS

 
Old 10-02-2015, 01:36 PM
  #201  
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Update: it's replaced. My mistake was I went too far down with my hand the entire time.
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Old 10-02-2015, 01:37 PM
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Originally Posted by Mackhack View Post
Update: it's replaced. My mistake was I went too far down with my hand the entire time.
Great news!! Happy to hear that you figured it out. I've taken the precaution of having an extra CPS in my glove box just in case it goes out again...you may want to do the same since the part is relatively cheap.
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Old 10-02-2015, 01:40 PM
  #203  
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I think that's a good idea.
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Old 10-02-2015, 03:46 PM
  #204  
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I think the sensor was going bad a long time ago and didn't deliver 100% correct data to the ME. It feels like I gained 150 more HP with the brand new sensor. I know that if camshaft and crankshaft position sensor doesn't work properly the ignition timing shifts for reduced power but that much? Holy moly!!!
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Old 04-20-2016, 11:17 AM
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Crank position sensor

GOOD Morning I'm new to the forum

I have a 2005 E500 with a bad crank position sensor. I recently changed it thanks to this forum but the car stalls and doesn't work every 4 days its really weird check engine light come on when it stalls . when I try to start it 4dys later it runs normal with no check light. Please help cause I may burn the car I'm so pissed
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Old 04-20-2016, 12:09 PM
  #206  
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Read fault codes out. There are 600 generic OBD fault codes that trigger the CEL (and that could mean anything). For that you don't need a Star Diagnosis since it's an OBD fault code.
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Old 07-05-2017, 08:55 PM
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I changed my CPS last week and it really wasn't that difficult. Remove the mass air flow sensor and the elbow on the V6, and some of the vacuum hoses and you can get to it. I did lay some foam over the engine and had some bags of earth piled in front of the car so I could rest my feet on. I was able to lie over the engine and with 2 hands, and various ratchet extensions and flex joint was able to remove it. The idea of using tissue to keep the torx screw snug in the socket when installing was great. Cleaned the connector while I was at it.

However, it did not fix the problem
Early symptoms: Difficulty starting cold
Next symptoms: Difficulty starting hot, wait 5 minutes.. then restart.
changed fuel filter and CPS(Blue streek-SMP)
then: Stalling on highway, easy restart on this one occasion.
Then : Stalling again, no restart until longer wait (4 hours till I got tow truck, maybe it would have fixed itself sooner) I did not want to drive car home, had it towed to indy shop (Joe Bassile Montreal) but in the end they said that intermittent is hard to fix, chances that its a bad replacement CPS was remote. Try changing fuel pump but again risky to waste money. Said wait till you have problems again then fiddle with the processor box and wire to see if that gets it going again.

any ideas?

Awe crap.. Loved this car!
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Old 07-06-2017, 03:05 AM
  #208  
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Did you have a chance to get a quick test print out?
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Old 07-06-2017, 09:45 AM
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Originally Posted by Mackhack View Post
Did you have a chance to get a quick test print out?
you mean the freeze frame? yes I did... its still on the code reader..
I did get the P0335 CPS code
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Old 07-06-2017, 12:11 PM
  #210  
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I meant a quick test. but freeze frame is ok, too.
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Old 07-06-2017, 01:30 PM
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Originally Posted by efzauner View Post
I changed my CPS last week and it really wasn't that difficult. Remove the mass air flow sensor and the elbow on the V6, and some of the vacuum hoses and you can get to it. I did lay some foam over the engine and had some bags of earth piled in front of the car so I could rest my feet on. I was able to lie over the engine and with 2 hands, and various ratchet extensions and flex joint was able to remove it. The idea of using tissue to keep the torx screw snug in the socket when installing was great. Cleaned the connector while I was at it.

However, it did not fix the problem
Early symptoms: Difficulty starting cold
Next symptoms: Difficulty starting hot, wait 5 minutes.. then restart.
changed fuel filter and CPS(Blue streek-SMP)
then: Stalling on highway, easy restart on this one occasion.
Then : Stalling again, no restart until longer wait (4 hours till I got tow truck, maybe it would have fixed itself sooner) I did not want to drive car home, had it towed to indy shop (Joe Bassile Montreal) but in the end they said that intermittent is hard to fix, chances that its a bad replacement CPS was remote. Try changing fuel pump but again risky to waste money. Said wait till you have problems again then fiddle with the processor box and wire to see if that gets it going again.

any ideas?

Awe crap.. Loved this car!
Did you check your Fuel Pump Relay? I stalled on the fwy as well and had to wait 15 minutes to turn the car back on, only for it to stall another 10 minutes later. Changed CPS and stalled again. Turns out it was the fuel pump relay.
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Old 07-07-2017, 10:59 AM
  #212  
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Originally Posted by Mackhack View Post
Update: it's replaced. My mistake was I went too far down with my hand the entire time.
I use a 3 foot extension with a couple of swivels to get out the screw on the CLS. I'm not sure what the location is on the E55 by comparison. It's very annoying.
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Old 07-18-2017, 07:46 PM
  #213  
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Originally Posted by efzauner View Post
I changed my CPS last week and it really wasn't that difficult. Remove the mass air flow sensor and the elbow on the V6, and some of the vacuum hoses and you can get to it. I did lay some foam over the engine and had some bags of earth piled in front of the car so I could rest my feet on. I was able to lie over the engine and with 2 hands, and various ratchet extensions and flex joint was able to remove it. The idea of using tissue to keep the torx screw snug in the socket when installing was great. Cleaned the connector while I was at it.

However, it did not fix the problem
Early symptoms: Difficulty starting cold
Next symptoms: Difficulty starting hot, wait 5 minutes.. then restart.
changed fuel filter and CPS(Blue streek-SMP)
then: Stalling on highway, easy restart on this one occasion.
Then : Stalling again, no restart until longer wait (4 hours till I got tow truck, maybe it would have fixed itself sooner) I did not want to drive car home, had it towed to indy shop (Joe Bassile Montreal) but in the end they said that intermittent is hard to fix, chances that its a bad replacement CPS was remote. Try changing fuel pump but again risky to waste money. Said wait till you have problems again then fiddle with the processor box and wire to see if that gets it going again.

any ideas?

Awe crap.. Loved this car!

I replaced the "new" CPS with an the "OEM" sourced part from RM European. Made in Germany.. Seems to have solved the problem. Damn bad aftermarket parts. Will drive it more over the next days.
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