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"When you go to start the car, turn the key to the "on" position, and wait a couple of seconds. You should hear the main fuel pump run and then stop when full pressure is built up. Then start the car. This might help."
I don't think that Key On pump "buzz" happens on Dave's '89 740 turbo, if it has LH 2.2 with the 007 AMM. But not being real familiar with 700 cars, I could be wrong. That Key On pump run started with LH 2.4 I believe.
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Bruce Young '93 940-NA (current), 240s (one V8), 140s, 122s, since '63.
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