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LS - 4th Gen (2007-2017) Discussion topics related to the current flagship models LS460, LS460L and LS600H

Engine code P0201 P0301 C1201

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Old Apr 29, 2025 | 03:06 PM
  #16  
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Jose2007
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Thank you for ur patience.

When we swap fuel injector drivers we get P0201 and P0205 and misfires in both but when we put them back it goes back to P0201 and misfires in just 1st cylinder. So we bought 2 of drivers and replaced but same thing happened. No difference. In first configuration we got P0201 and misfires in next minute when we swapped it P0201 P0205 and misfires in both. We dropped the car to the shop this morning. Waiting on hearing back from them.
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Old Apr 29, 2025 | 06:19 PM
  #17  
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Didn't you recently have a shop take your intake off and replace some parts in the valley area ? there's quite a few connectors to be removed to get to that area
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Old Apr 30, 2025 | 08:13 AM
  #18  
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Jose2007
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Originally Posted by Gerf
Didn't you recently have a shop take your intake off and replace some parts in the valley area ? there's quite a few connectors to be removed to get to that area
yes after this problem started I had my regular mobile mechanic come and change the valve cover gasket spark plugs and coils thinking that must be it. He didn’t have the proper equipment to do the whole check. He said it could be anything from port injectors, direct injectors , wiring or the ECM.
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