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Discussion Starter · #1 ·
Hello

Hope someone can help me

Coopers S 2008

Keep getting fault codes 2745 & 2786 mixture adaptation

Was staying off for a couple of months but now comes on and off

Also sometimes rough idling

Garage tell us we need to change the inlet manifold & engine cover as it's the breather in both which is causing the problem

Would like to know if anybody has had this problem
 

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Just had a look on autodata. Guessing that the P bit of the fault code is missing?
P2745 is for transmission intermediate shaft speed sensor, and P2786 is gear shift actuator temperature to high. Is your MCS an automatic?
 

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Discussion Starter · #3 ·
Thanks for checking autodata

Its has a manual gearbox I have now checked on two readers both coming up with the same thing mixture adaptation

It seems the value in the engine cover is faulty and its sending loads of engine oil to the inlet manifold

The garage thinks when both parts are changed it will cure all the problems

Hope so anyway
 

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Hello

Hope someone can help me

Coopers S 2008

Keep getting fault codes 2745 & 2786 mixture adaptation

Was staying off for a couple of months but now comes on and off

Also sometimes rough idling

Garage tell us we need to change the inlet manifold & engine cover as it's the breather in both which is causing the problem

Would like to know if anybody has had this problem
Did you have any luck? My 2008 Coopr S seems to have the same problem.
 

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Discussion Starter · #5 · (Edited)
No it's still having the same problem after changing the inlet and valve cover

Also changed temp switch

I think it holds back a bit when going over 4000 revs

Could be HPFP don't want to change as we are not sure
 

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No it's still having the same problem after changing the inlet and valve cover

Also changed temp switch

I think it holds back a bit when going over 4000 revs

Could be HPFP don't want to change as we are not sure
Do you know what you are going to do next, to try and fix the issue?
 

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Discussion Starter · #7 ·
It's not running to bad at the moment and I don't want to spend anymore money without being sure it will sort the problem out
 

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Just had a look on autodata. Guessing that the P bit of the fault code is missing?
P2745 is for transmission intermediate shaft speed sensor, and P2786 is gear shift actuator temperature to high. Is your MCS an automatic?
Good lookup, but they are BMW-specific codes, not ODBII codes. No P prefix. I just bought a BMW/Mini-specific code reader, hoping that it would narrow down the possibilities, and got these two codes.

The ODBII codes that read similar issue are P2178, P2188 and P2177, each of which has such a long list of possible causes in a Mini as to be nearly useless.
 
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