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#1
12-19-2006, 09:02 PM
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What is this?
It's on top of the intake manifold.
__________________
JWJ 1983 MB 300D - > 430,000 miles - Deep Blue - Bilstein Comforts - 0-60 in 24 seconds - 27MPG 1985 MB 300TD (wagon) - > 275,000 miles - Manila Beige - Thule rack - 0-60 in 18 seconds - 22 - 25MPG Biodiesel, Mobil Delvac 1, and Viton fuel lines! 
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#2
12-19-2006, 09:59 PM
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its a boost pressure sensor for the overboost protection solenoid or something like that
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#3
12-19-2006, 10:35 PM
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It's a pressure switch that trips at 16psi, venting the boost signal to the injection pump. This prevents too much boost from damaging the turbo and/or engine if the turbo's wastegate fails.
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#4
12-20-2006, 12:04 AM
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They hit the nail on the head. That wire runs back in with the glowplug harness and eventually makes it way to the over-boost solenoid on the firewall.
__________________
Adam Lumsden (83) 300D Vice-President of the MBCA International Stars Section
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