The 92 300D.

I thought if you disconnected the EGR the computer senses that and you get no boost whatsoever.

I'm trying to figure out why he did what he did....in other words, why not just leave it alone? What does disconnecting and plugging that vacuum line accomplish?

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14 E250 Bluetec 4Matic "Sinclair", Palladium Silver on Black, 160k miles
06 E320 CDI "Rutherford", Black on Tan, 180k mi, Stage 1 tune, tuned TCU
91 300D "Otis", Smoke Silver on Tan, 145k mi, wastegate conversion, ALDA delete

19 Honda CR-V EX 79k mi
Fourteen other MB's owned and sold
1961 Very Tolerant Wife