Quick ECU question. 173 to 153.

[kid325e]

I pulled a Dinan chipped ECU out of an 88 iX. It's a 153. My iX is a 91 so i'm assuming it's got a 173 ECU.

Will I have any problems running the chipped 153 ECU in place of the 173? I did some searching and found information on upgrading but never going backwards. Thanks in advance guys.

[kid325e]

Anyone?

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[jlevie]

From the 153 on, the DME's are interchangeable.

[reelizmpro]

You can do it but it would be a downgrade from Motronic 1.3 (single board) to Motronic 1.1 (dual board). If you feel the chip is worth it then go for it.

[jlevie]

The only real differences that matter are that idle control is better and the stomp test works in a 173 or later.

[kid325e]

Thanks guys. I figured so but just needed a second (or third) opinion. Going to put it in this evening as well as an mtech 1 wheel!

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