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Engine Error Discovery 3, Doesn't Start
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Flack
 


Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6240

England 2007 Discovery 3 TDV6 XS Auto Stornoway GreyDiscovery 3

Those errors are there because you have water in the PCM, you need to take out the PCM and remove the cover from it and totally dry out the PCM main board, I have done this on a few PCM's over the years with water ingress.

Flack Thumbs Up
  
Post #235355520th Nov 2023 10:47 am
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DiscoveryDriver
 


Member Since: 23 Oct 2023
Location: Waw
Posts: 29

Poland 2007 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Hello everyone, thank you so much for all your help. I really appreciate your support. That's truly fantastic. The current situation is as follows: The contacts of the control unit had strong corrosion. I cleaned the contacts, and it feels like it's running a bit better, but not really well yet. One contact on the control unit has been partially damaged due to corrosion. I will purchase 6 refurbished injectors and install them. I will definitely keep you posted on whether it was related to the injectors. In any case, you will hear from me. Once again, thank you to everyone who is supporting me so much. Thank you.
  
Post #235426327th Nov 2023 9:19 pm
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DiscoveryDriver
 


Member Since: 23 Oct 2023
Location: Waw
Posts: 29

Poland 2007 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Flack wrote:
Those errors are there because you have water in the PCM, you need to take out the PCM and remove the cover from it and totally dry out the PCM main board, I have done this on a few PCM's over the years with water ingress.

Flack Thumbs Up


Hi, thanks for the info. What is a PCM? Thanks.
  
Post #235426427th Nov 2023 9:21 pm
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DiscoveryDriver
 


Member Since: 23 Oct 2023
Location: Waw
Posts: 29

Poland 2007 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Pete K wrote:
So is it running again?


No, unfortunately not yet, but I'm still working on it.
  
Post #235426527th Nov 2023 9:27 pm
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DiscoveryDriver
 


Member Since: 23 Oct 2023
Location: Waw
Posts: 29

Poland 2007 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

VMatas wrote:
P020C-33

Cylinder 3 injection timing - signal low, time greater than maximum. Fuel injector circuit short circuit to ground. Fuel injector circuit high resistance. Fuel injector fault.


During the following, clear DTCs and recheck after each step. Turn the ignition off and wait 20 seconds before turning the ignition back on to recheck DTCs. Check the connections for security. Disconnect the injector and measure the resistance and capacitance of the injector. If the resistance is not between 180 and 220 Kohms, or the capacitance not greater than 3 microfarad, install a new injector. If the injector is within specification, check the injector circuits for short circuit to ground, short circuit to power and for high resistance. Refer to the electrical guides. Repair/renew as necessary. Clear the DTCs and test for normal operation.


Thank you for the helpful tip regarding the error code P020C-33! The information about the injection timing and potential causes is incredibly useful. I'll follow the suggested steps, clear the error codes, and perform the checks mentioned. If I have any further questions, I'll definitely reach out. Thanks again for your support!
  
Post #235426627th Nov 2023 9:28 pm
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DiscoveryDriver
 


Member Since: 23 Oct 2023
Location: Waw
Posts: 29

Poland 2007 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

These are pictures of the control unit. You can clearly see that the contacts are corroded, and one of them is partially missing.


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Post #235426927th Nov 2023 9:42 pm
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