What does this part # do? 078 906 051

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04-22-2008, 06:14 PM

initialA4

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What does this part # do? 078 906 051

how do you know if it needs replacement??

Also when does the coolant sensor do and when do we need to replace it?

TIA

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04-22-2008, 06:25 PM

daves4izzle::ASP 3-

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It's the "thrust sensor" aka MAP sensor. It measures pressure in the manifold (i.e. boost).

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