Fuel Pump Questions

V6 Technical/Performance Discussions
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Bradmx32003
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Fuel Pump Questions

Post by Bradmx32003 »

If the fuel pump is working you can hear it working correct? If I remember you can hear a very slight hum come from it, and you can clear hear it shut off. Any tests I can do to see if my fuel pump isnt working?
Red 1992 Mx-3 GS, all stock.
hgallegos915
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Post by hgallegos915 »

you can actually hear a humming noise in the engine bay. the injectors getting filled with gas. Check your engine fuses if its not working. If its a gs i got an extra pump.
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Bradmx32003
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Post by Bradmx32003 »

Well dont i feel stupid.. it was a fuse. :oops:
Red 1992 Mx-3 GS, all stock.
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jaydog5678
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Post by jaydog5678 »

hgallegos915 wrote:you can actually hear a humming noise in the engine bay. the injectors getting filled with gas. .

LOL. Thats about the highlight of the day...

It would be easier to open the gas tank lid, cap open and listen from there when the key is turned on.
Bradmx32003
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Post by Bradmx32003 »

Exactly, even easier is just listen at the back of the car, under the seat. You can definatly hear it.
Red 1992 Mx-3 GS, all stock.
snellgrove
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Post by snellgrove »

Bradmx32003 wrote:Well dont i feel stupid.. it was a fuse. :oops:
where is the fuse for this thing located?

(tried looking in the shop manual, but cant find it!)
1997, Silver, V6
Grants
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Post by Grants »

I'm pretty sure its a 30 amp fuse in the main fuse box in the engine bay.
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PATDIESEL
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Post by PATDIESEL »

That is where it is. There is also a fuel pump relay in that same fuse box. I know this thread is over, but that could also be a problem to check for if the fuel pump doesn't seem to be working.
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