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Check engine light is on

Tiny
GTX6970
  • MEMBER
  • 2008 MINI COOPER S
  • 1.6L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 127,000 MILES
My daughter's car will randomly stumble or buck on acceleration. Fault I come up with is random cylinder misfire and/or cylinder three misfire. Replaced spark plugs and have swapped coils around with no change. It's really intermittent and I have not been able to recreate with it sitting in the shop. Moved wiring around with no issues. I can't see it being a compression issue with it being so intermittent.

My question is, if I pull an ECM from a local junkyard car of same year model with same engine and transmission combination. Will it run without having to reprogram it to the car's VIN?
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Wednesday, December 15th, 2021 AT 12:51 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

To the best of my knowledge, it won't work. The ECM requires reprogramming/encoding specific to your vehicle including the VIN number. The encoding information should be in the original owner's manual. If it isn't, the only way I know how to get the specific codes is through the Centerlink, which requires (I believe) you to be an employee or a dealer.

Let me know if you have other questions.

Take care,

Joe
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Wednesday, December 15th, 2021 AT 8:05 PM

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