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Old 10-17-2003, 12:58 AM
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sixto sixto is online now
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Join Date: Jun 2000
Location: SF Bay Area
Posts: 19,739
M103 91 300SE idle air valve

Is the idle air valve in a 91 300SE controlled by pulsing a 12V signal or by modulating the current?

What should I expect to happen if I pull the electrical connector with the engine running? RPM should go up, right?

Thanks,
Sixto
95 S420
91 300SE
87 300SDL
83 300SD
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