Vortech FMU still ran after engine turned off

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08-23-2004, 01:13 PM

BlackCat

RIP '98 Maxima SE

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Vortech FMU still ran after engine turned off

Hey guys,
have any of you had that experience with the Vortech FMU that came with the SC kit? My wife and I drove to Safeway to pick up some things and when I turned off the engine I heard a loud buzzing noise coming from what appeared to be inside the dash. I stepped out and it was coming from the engine bay. I popped the hood and it was the fmu making all the noise. I put my hand on it and it was still running! I twisted the key to accessory and the noise stopped.
I kept putting off installing the Cartech but maybe this is the time to switch?

08-23-2004, 01:14 PM

Jeff92se

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FMU doesn't have any electrical connections? Maybe it was bleeding off either the boost to the unit or the fuel pressure to the unit.

08-23-2004, 01:33 PM

BlackCat

RIP '98 Maxima SE

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There's the auxiliary fuel pump pressure switch.

08-23-2004, 01:36 PM

Stephen Max

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Quote:

Originally Posted by BlackCat

There's the auxiliary fuel pump pressure switch.

You mean the aux fuel pump was still running, right? The fmu is a purely mechanical device.

08-23-2004, 01:41 PM

BlackCat

RIP '98 Maxima SE

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I know, but the fmu was vibrating when I lay my hand on top of it. I thought it was going to blow up on me! I've never read anything like this in the forum.