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There is a filter on the bottom of the fuel pump. You should start your car and then unplug the wiring harness that you see under the rear seat cushion, the car will die after a few seconds. Then turn your key off. What this does is relieve the fuel pressure. You then can disconnect both of the fuel lines. Have a couple of plugs handy to place over the 2 ports that the lines connect too. Then remove the screws that fasten the fuel access port. You can then carefully lift it out of the tank, your fuel pump is attached to this port. On the bottom of the fuel pump you will see a small screened sack, that is the filter. There is also a filter on the fire wall in the engine compartment, at least that is where it is on a 4 cylinder.

The in tank filter is one that most people overlook. It is easy to replace just make sure that the car is well ventilated while you are working and don't smoke while doing the job. You just need to take your time so as not to damage the float assembly that is also attached. After you remove all the screws from the top you just slowly raise it out of the tank, you may have to rotate it a little to get everything out, change the filter and replace everything back the way you removed it.

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โˆ™ 2007-11-05 11:50:34
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Q: How do you replace the fuel filter on a Mazda 1993 Mazda mx 3?
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