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Wales
by Joske Vermeule, September 1
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Forums39
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Jun 14th, 2026
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Joined: Aug 2006
Posts: 1,111 Likes: 17
Has a lot to Say!
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OP
Has a lot to Say!
Joined: Aug 2006
Posts: 1,111 Likes: 17 |
Hi,
What Rover ECU is fitted as standard to this car? I have having trouble with a Emissions test; my CO2 reading is to high, one option could be a faulty ECU.
The one in the car is a replacement, the original went on the blip...
Its model number is MKC10115 YN. So Rover 820 2.0 16v 92-93 MEMS MP ECU
Is that what everyone else has?
Thanks
Will
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Joined: Jul 2020
Posts: 16
New to Talk Morgan
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New to Talk Morgan
Joined: Jul 2020
Posts: 16 |
Hi Will,
My 1993 Plus 4 T16 has MKC10034YN and is original as far as I know.
It starts well from cold, although is very inconsistent during the warm up cycle. Fine when hot.
The car has done 10000 miles
Regards
Simon
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Joined: Jan 2013
Posts: 1,149 Likes: 19
Has a lot to Say!
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Has a lot to Say!
Joined: Jan 2013
Posts: 1,149 Likes: 19 |
I have a 2000 car and a T16 rover engine, dont know the number on the ecu but I do have a spare and if you buy an obd cable you can use an app to fine tune the ecu...
Morgans 1934 MX, 1947 Series 1, 1956 +4 TR4, 2000 +4 T16
Triumph Herald 1969 13/60
Morris 1970
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Joined: Jan 2013
Posts: 1,149 Likes: 19
Has a lot to Say!
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Has a lot to Say!
Joined: Jan 2013
Posts: 1,149 Likes: 19 |
Morgans 1934 MX, 1947 Series 1, 1956 +4 TR4, 2000 +4 T16
Triumph Herald 1969 13/60
Morris 1970
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Joined: Jul 2007
Posts: 27,840 Likes: 764
Member of the Inner Circle
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Member of the Inner Circle
Joined: Jul 2007
Posts: 27,840 Likes: 764 |
It is a rover 820 unit. They fail regularly in my experience. Get one where the immobiliser is by passed also check the pipe from the manifold to the ECU for leaks.
JohnV6
2022 CX Plus Four
2025 Renault Scenic Alpine etech "Yvette"
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Joined: Jul 2007
Posts: 28,911 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: 28,911 Likes: 354 |
They tend to fail due to getting too hot.
When mounting a small amount of heat compound should be used - but a very small amount. Too much and it will act like an insulator.
Graham (G4FUJ)
Sold L44FOR 4/4 Giallo Fly
'11 MINI Countryman Cooper D All4
'90 LR 90 SW
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Joined: Sep 2019
Posts: 102 Likes: 1
L - Learner Plates On
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L - Learner Plates On
Joined: Sep 2019
Posts: 102 Likes: 1 |
I had a 1997 +4 and the MEMS unit was MKC104081
At one time I had a fault that I was trying to trace and got another one off eBay with the same reference, had to get BHM to program it to recognise the immobliser. That didn't fix the issue but it meant I had a spare.
Tim
Plus 4 2018
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