Overboost Protection Valve
That's the one we've been telling you to clean out, it must not have any resistance to being blown through .
Get the proper de greaser, not brake clean and drill bits .
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-Nate
1982 240D 408,XXX miles
Ignorance is the mother of suspicion and fear is the father
I did then what I knew how to do ~ now that I know better I do better
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