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n/a or tt ecu

just bought an ecu to see if it would sort out my running on issue but when i connected it up the car started fine but when i revved it up it hit 3000 rpm and started to misfire

when i looked on the new ecu its got a " 23 " number on it and my old one has a " 20 " is the new ecu from a tt zed or is it just fooked

any help appreciated

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    I put a Blitz ECU in my car so i just had a quick look at my standard old one and it has a number 23 on it. My car is a 1992, Series 1, JDM, TT, Auto. HTH Bud. ;)

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    20 is the NA manual

    21 is the NA auto.

    I know nothing about TT s but I expect 22 and 23 are the corresponding TT numbers.

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