Question about 1992 Mitsubishi 3000GT

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Wwher is the fuel pump relay fuse located?

Car cranks over but wont start

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  • Anonymous Apr 27, 2009

    My car was just shutting down whenever it felt like it. It would start back up and fail again whenever it wanted to. Now it just wont start up. It cranks fine. I dont hear the fuel pump running ever.

    I'll try the bypass method.

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There are two fuse locations, under the dash by your left foot, and under the hood behind the passenger side headlight.

Your question is really NOT that easy to answer, there is no stock location for a "fuel pump relay" fuse, the fuel pump is powered by power coming from the MFI relay.

Fuse #1 under the hood supports the MFI relay as do fuses 1 and 12 under the dash. Check all three.

There are reasons a fuel pump won't start that are not related to the fuse... if you check them and determine that the fuses are not blown, with the ignition turned to the on position, try powering the fuel pump test jack, if your fuel pump comes on, it is something else (probably a bad cam/crank sensor)

To power the test jack, run a test wire from the positive terminal of the battery to the connector stuffed down behind the passenger side strut tower between the strut tower and the fire wall. It should be a black connector connected to a single black wire with a BLUE stripe. There will be three connectors bundled together, a black one, a blue one, and a round brown one (the round one is for setting timing and the blue is for setting idle, do NOT mess with them)

When you power the test connector, the fuel pump should come on, regardless of the MFI relay or the fuses... if it does not, you need a new fuel pump.

Cheers,
Scott
iceman_ii on www.3si.org

Posted on Feb 21, 2009

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