Bracechenko
Member Since: 29 Jun 2021
Location: Cardiff
Posts: 183
  
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mulgrewgrew wrote:Well it passed!
Went with Kwik-Fit.
Also, interestingly/luckily, I didn't need to get my ECU updated to deal with the engine warning light coming on. I recently found that if you use a tool to clear error codes, the engine warning light doesn't come on straight away for the blanked EGRs, it takes a few drives. I chanced it for the MOT by clearing the warning light just before getting there, and was successful. When I turned the car on to drive away, the light came back on! 
I see that this post from me is now late but for what it's worth...I also had the same concern but chose to chance it. I've had 2 MOT's pass at 2 separate garages and neither of them mentioned anything about the missing pipes.
Glad you've got passed it now though
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 24th Jan 2024 4:01 pm |
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Cheeko
Member Since: 05 Jul 2024
Location: Leeds
Posts: 184
  
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Why do you remove the butterfly valve. Thankyou
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| 8th Jul 2024 1:06 pm |
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HairyFool
Member Since: 04 Jan 2023
Location: Essex
Posts: 608
 
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When the ECU opens the EGRs it also closes the butterfly to reduce airflow through the filter and increase the effectiveness of the recirculation.
When the EGRs are blanked there is no flow so without removing the butterfly the engine is starved of gas.
Early models just need the butterfly removed, later ones need the ECU updated. A visitor from the dark side, my other vehicle is an MG5 EV
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| 8th Jul 2024 7:22 pm |
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Cheeko
Member Since: 05 Jul 2024
Location: Leeds
Posts: 184
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Thanks hairyfool tbh myne has run best it ever has but I didn’t remove I did to clean but put back its a 2009 yes it’s thrown codes up put management light on but she runs spot on im putting egrs back on I’ll deal with them at a later date got a torque converter problem to figure out first
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| 8th Jul 2024 8:40 pm |
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