R55 :: Clubman Talk (2008+) Discussions revolving around the extended wheelbase Clubman (R55) model.

R55 No Start- P0503

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  #1  
Old 02-11-2020, 05:17 PM
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Cranks- No start

Walked out to start the car and it tried to turnover but would never catch, somewhat like if the air box was blocked. For a quick second it showed P0503.

Any ideas?

Cranks, no start.
 

Last edited by DVLDOG; 02-14-2020 at 01:03 PM. Reason: Define issue
  #2  
Old 02-12-2020, 04:22 PM
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Anyone know if the battery is no longer good, even with a jump box...would it not start?
 
  #3  
Old 02-14-2020, 12:08 PM
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Changed to a new battery and still the same issue. Scanned the car and see some under voltage codes but didnt get a chance to write them down. Will head back and try to do that.
 
  #4  
Old 02-14-2020, 02:13 PM
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Turns out it is a bad relay to the coils and plugs.

All fixed! Thanks for the help! 😄
 
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