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Old 10-20-2006   #21
Halon
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Re: Fuel pump not turning on with ignition

Here's his quote right outta the post, to make it easier on you.

On 1G cars the fuel pump doesn't start running until you turn the key to start not just turning the key on. That's a function of the FP side of the MPI relay getting power from the starter circuit to activate the pump via one of the relay windings. The other winding on that side is for the ECU to use once it sees the car turning over to keep the pump running once you release the starter.

Steve
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