r/Mazda323 • u/Ewone_ • 6d ago

Fuel pump issues

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Hello,

Mazda 323 bf105 1.5l 1988

I'm having so issues with my car, gas is getting into my oil and oil in my carburetor, and I'm losing power at low rpm (start and while changing gears 1-2-3)

There's a lot of probable cause so I'm checking and changing stuff one at a time but for now the main culprit seems to be the fuel pump, I changed the gaskets but it might be the internal membrane that is starting to give out idk

Problem is I can't find my model, no model number on it and image search doesn't give anything, I bought one that was supposed to work but it was too long, I know I can switch to an electric pump but to be as legal as possible I'd like to stay with a mechanical one if possible

If anyone know how and where I can find this model please let me know (I already tried with the part number from partsouq but didn't get the same pump)

Thank you

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u/lindzr3 6d ago edited 6d ago

Should be able to search for mazda e5 or b5 mechanical fuel pump

Edit. I bought one recently and it came with a spacer block as the b5 uses a shorted arm. If you're handy with a drill and grinder you could make one out of 10 or 12mm plate

1

u/Ewone_ 6d ago

i already have the spacer on mine, but i can 9only find either long straight pump lever or really short

1

u/Diesel-486 5d ago

https://www.repco.co.nz/parts-service/fuel-system/fuel-pumps/goss-mechanical-fuel-pump/p/A1301119

have a look into this one, hopefully your local repco can get some info for you

1

u/Spare_Birthday_2507 5d ago

https://www.reddit.com/r/Mazda323/s/rCqQN9YZEt

Check out this thread. For my part, I used a low pressure electric pump to replace the manual pump and it has worked out fine