R50/R53 :: Hatch Talk (2002-2006) Cooper (R50) and Cooper S (R53) hatchback discussion.

R50/53 Hard/barely starting in the Winter.

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Old Mar 22, 2015 | 05:20 PM
  #26  
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So I came up with a very scientific method of testing. A nice cold day and a can of starting fluid has at least confirmed that this is a fuel issue. To make matters worse I have good fuel pressure, which leads this to what I think is a computer issue, which then steps back to a sensor or relay. This is where the plot thickens without it throwing any codes, I don't for the life of me know where to start at this point.
 
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Old Mar 22, 2015 | 09:05 PM
  #27  
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Since I seem to be babbling to myself on my own thread, here is what I figured out tonight in case anyone else runs into this issue. I noticed as I was battling with the car to get it in the garage, the fuel pump wasn't cycling. I did a little searching and found where the fuel pump relay was, there also happened to be the same exact one in the circuit next to it. As soon as I swapped the relays, the pump primed up and she started with no problem.
 

Last edited by Troublemaker; Mar 22, 2015 at 09:11 PM.
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Old Mar 22, 2015 | 09:14 PM
  #28  
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From: Southern NH
Originally Posted by Troublemaker
Since I seem to be babbling to myself on my own thread, here is what I figured out tonight in case anyone else runs into this issue. I noticed as I was battling with the car to get it in the garage, the fuel pump wasn't cycling. I did a little searching and found where the fuel pump relay was, there also happened to be the same exact one in the circuit next to it. As soon as I swapped the relays, the pump primed up and she started with no problem.

hopefully you found it!!
it sounds like you did, but l'll cross my fingers for you!!
 
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Old Mar 22, 2015 | 09:53 PM
  #29  
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Originally Posted by ZippyNH

hopefully you found it!!
it sounds like you did, but l'll cross my fingers for you!!
I hope I've found it also. I really want to start trying to make this thing faster, but making it start has certainly taken precedence.
 
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Old Mar 23, 2015 | 08:25 PM
  #30  
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That's it, case closed.
 
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