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  1. #1
    Registered User
    Join Date
    Jul 2017
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    Gary
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    6

    Can't afford kpro. Ep3 k20a swap ecu

    I have the stock k20a3 in my 2003 ep3. I cannot get rid of p0171. I have jdm ecu that came with the k20a engine and was wondering if it'll run better with the jdm ecu. 37820-pnc-905 are the numbers on the one I want to immobilize.

  2. #2
    Registered User Strife's Avatar
    Join Date
    Feb 2006
    Location
    Washington State
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    1,078
    Your immobilizer will not work and engine will run poorly.

  3. #3
    Registered User
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    Jul 2017
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    Gary
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    6
    What do you recommend I do? I have a p0171 it's not going away. Should I just put the jdm ecu in since it came with the engine?

  4. #4
    Registered User m3nace's Avatar
    Join Date
    Feb 2012
    Location
    garden grove
    Posts
    211
    Quote Originally Posted by bryanbear69 View Post
    What do you recommend I do? I have a p0171 it's not going away. Should I just put the jdm ecu in since it came with the engine?
    jdm ecu will need to be matched with your key or the immobilizer will stop you from starting up the car. why not just run the stock ecu??

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