New S2 owner -Noob questions
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Vag com might tell you.. If not then you need to pop the ecu out and have a look.
If you need any help with anything you know I'm not far away.
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If it has an analogue boost gauge and you are seeing more than about 1.2 Bar relative boost (e.g. 18 psi) then you are chipped.
If you have access to someone with VAGCom, I think they can read chip info, e.g. MTM, MRC, Schmidt, etc.
Otherwise you need to find and open the ECU. The post photos of the chips.
How to open the ECU is a post in this manual version of the AAN engine Bay device map (links are UNDER the diagram):
RS2'd 93 UrS4 5 spd sedan
94 UrS4 V8 6 spd manual avantComment
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Gets round quick when it's cold and keeps the top end quiet when it's hot
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