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371-32 #180
Posted by MG (more from MG) on Sun, 22 Feb 2004 22:24:30
In Reply to: 1984 900T boost pressure switch?, dansaabr, Sun, 22 Feb 2004 12:30:51
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That is the pressure transducer (or vacuum switch). Picture on 371-31 is mis-labeled. That item is mounted to the fuel filter in the engine room. See 371-54, where both parts are shown.
#79 is a switch that sends a signal to the ECU to modulate the CI pulse based on the boost reading (at least that's how I understand it).
I believe the electrical connections are not critical as the switch merely interrupts power to the fuel pump when the preset boost level is reached.
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