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Iccoldbeer

NA to UK 451 sam swap

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Posted (edited) · Report post

Recently my 08 451 sam burned up in my driveway. Didn't want to give dealer $1500 so swapped in UK sam kit came with sam, cluster, ecu, key. Starts, runs and is working well. Dealing with tail light differences 3 to 2 converter or euro lens swap is NP, and had to swap case for cluster . But also noticed the SAI pump doesn't run at start. Looked at evilution and discovered UK 451 did not have SAI. Should I block port?

Edited by Iccoldbeer

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What's SAI?

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Posted (edited) · Report post

Secondary air injection, it's the sound you hear when first start car, runs about a minute ecu richens mixture and pump runs to inject air into exhaust ports to heat catalyst. Located near top right motor mount.https://www.youtube.com/watch?v=jaCavQaCR2w. But I am running UK ecu married to SAM none of this happens. Don't want to physically remove but think perhaps port should be plugged? 

 

Edited by Iccoldbeer

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Ah thanks.  I know my Mercedes has one of them too - noisy as hell.

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