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Jun 14th, 2026
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Joined: Dec 2008
Posts: 22,371 Likes: 354
Roadster Guru Member of the Inner Circle
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Roadster Guru Member of the Inner Circle
Joined: Dec 2008
Posts: 22,371 Likes: 354 |
Keith is my Guru. He thinks that's funny. 
DaveW
'05 Red Roadster S1
'16 Yellow (Not the only) Narrow AR GDI Plus 4
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Joined: Dec 2009
Posts: 37,492 Likes: 994
Tricky Dicky Member of the Inner Circle
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Tricky Dicky Member of the Inner Circle
Joined: Dec 2009
Posts: 37,492 Likes: 994 |
Keith is a very modest man 
2009 4/4 Sport Henrietta
1999 Indigo Blue +8
2009 4/4 Sport Green prev
1993 Con Green +8 prev
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Joined: Jul 2007
Posts: 28,914 Likes: 354
Salty Sea Dog Member of the Inner Circle
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Salty Sea Dog Member of the Inner Circle
Joined: Jul 2007
Posts: 28,914 Likes: 354 |
Keith is a very modest man He's a great character! 
Graham (G4FUJ)
Sold L44FOR 4/4 Giallo Fly
'11 MINI Countryman Cooper D All4
'90 LR 90 SW
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Joined: Dec 2009
Posts: 37,492 Likes: 994
Tricky Dicky Member of the Inner Circle
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Tricky Dicky Member of the Inner Circle
Joined: Dec 2009
Posts: 37,492 Likes: 994 |
Keith is a very modest man He's a great character! He is one of the good guys with a wealth of experience to share and he can't help looking like a young Sir Michael Caine
2009 4/4 Sport Henrietta
1999 Indigo Blue +8
2009 4/4 Sport Green prev
1993 Con Green +8 prev
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Joined: Sep 2011
Posts: 14,750 Likes: 158
Member of the Inner Circle
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Member of the Inner Circle
Joined: Sep 2011
Posts: 14,750 Likes: 158 |
- and knowing my luck it will be the last one I check.
David Of course it is always possible that the last one you check is also the first one you check - if that is the one that blows the fuse 
Peter ![[Linked Image]](http://bradley.it/public_images/drive.jpg)
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Joined: Nov 2011
Posts: 41
Just Getting Started
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OP
Just Getting Started
Joined: Nov 2011
Posts: 41 |
A quick update !!! So good news and not good news.. Connected each solenoid in turn to the power on the connector and then earthed the other side. Each solenoid gave a healthy clunk and didn't show any sign of drawing excess power. I made sure they all had a good few 'clunks'. I thoroughly cleaned all the connectors and one of them did look a bit suspect - but only a bit. Then I connected them all up and went through the same process for each one (whilst having the other 3 connected). All good no problems . Cleared the ECU faults then went for a 'good drive' whilst delivering food to my Mum. All good no problems. ECU came back with all the oxygen sensor faults which is what I expected as I didn't want to connect the oxygen sensors until I can confirm how the solenoids are behaving . Anyway I couldn't make the fuse blow , so I've now connected 3 of the 4 oxygen sensors back and so far so good. I'll do the 4th one in the morning . its nearside , downstream and the exhaust was too hot to connect it! Hopefully not jumping the gun, but I'm not expecting anything suspect when I connect the fourth one.
So, assuming the 4th sensor doesn't cause a problem , I haven't really fixed anything other than cleaning connectors and 'working the solenoids'. The other thing I noticed is that the error code for the last oxygen sensor states Bank 2, and I thought Bank 2 was offside according to everything I've read. As always Guru feedback is appreciated
Thanks for Keith's recommendation
Last edited by roof down and go; 18/04/20 08:20 PM.
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Joined: Feb 2016
Posts: 8,705 Likes: 416
Needs to Get Out More!
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Needs to Get Out More!
Joined: Feb 2016
Posts: 8,705 Likes: 416 |
Bank 1 is same side as cylinder 1. In turn cylinder 1, 2 and 3 are on offside. So....bank 1 is right hand or offside. I believe this would make your fault code reporting correct. Confirmation from US website: Front driver side bank 2 sensor 1, rear driver side sensor 2, pass side is bank 1. Glad you got a result albeit a frustrating one  . Take it there were no signs of cable/loom faults.
Richard
2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone
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Joined: Nov 2011
Posts: 41
Just Getting Started
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OP
Just Getting Started
Joined: Nov 2011
Posts: 41 |
Wiring looms looked fine (as far as where the eye could see). Re Cylinder 1 / bank 1 - in the US, I assumed the drivers side is the near side , hence my confusion. Where is cylinder 1 on the Mog?? I thought it was on the near side!! I must admit im half expecting it to go again, but Im not too worried this time if it happens. Thanks for all your help!
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Joined: Feb 2016
Posts: 8,705 Likes: 416
Needs to Get Out More!
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Needs to Get Out More!
Joined: Feb 2016
Posts: 8,705 Likes: 416 |
Cylinder 1 is front r/h or offside. They are numbered 1,2,3 on that side which is bank 1. On l/h bank 2 it's the same configuration starting from the front with 4,5,6. Video explains here https://www.youtube.com/watch?v=G2a-RJZ5w2A
Richard
2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone
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Joined: Nov 2015
Posts: 8,708 Likes: 501
Just barreling along Needs to Get Out More!
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Just barreling along Needs to Get Out More!
Joined: Nov 2015
Posts: 8,708 Likes: 501 |
As it looks like it may have been a poor plug to socket connection with the tiny internal pins, hope you have it sorted
I use a special grease called Contralube 770, & apply it whenever I take apart these connections & on Mogs with very exposed electrics may be worth applying anyway as prevention
Last edited by CooperMan; 20/04/20 05:08 PM.
Jon M
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