Question about Mazda 626
I did a fuel pressure test and I wasn't holding fuel pressure, I replaced the fuel pump but now the car doesn't turn on. I got power to the relay but when I test the pump connector I get no power
Try the fuse or reset button in the trunk..drivers side black and yellow tag on it..
Posted on Jan 04, 2014
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Posted on Jan 02, 2017
JUST RELEASE THE PRESSURE AT THE FUEL PRESSURE TEST PORT ON THE FUEL SUPPLY RAIL THAT SUPPLIES THE INJECTORS, IT IS A METAL VALVE LIKE A TIRE VALVE, THAT IS THE FACTORY RECOMMENDED METHOD..
Posted on Mar 11, 2009
Hello, I am going to make a few assumptions here. The vehicle has an electric fuel pump and you replaced it. The vehicle has fuel injection. The engine is actually cranking, just not starting, when you say "car still won't crank". You are getting fire to the spark plugs at the plug ends. You checked the fuel pump for power at the pump. No power, then you back traced the wire to the fuse block and checked the fuse to see if it was blown. If the fuse is good back trace the power to the ignition switch and/or ECM for power. You have power at the pump, check the ground and make sure it is connected properly. Will the pump run when someone turns the key on? Pump runs, check fuel manifold for pressure. No pressure, check the fuel filter for blockage, or replace it. Fuel pump doesn't run, new replacement pump is defective. There is usually some type of control module for the fuel pump on fuel injected vehicles. Good Luck, RAC
Posted on Apr 18, 2009
1. Relieve the fuel pressure and disconnect the negative battery cable.
2. If not already removed, depress the clips on each end of the rear seat cushion and remove the cushion.
3. If not already done, detach the electrical connector from the fuel pump/sending unit.
4. Remove the attaching screws from the fuel pump/sending unit access cover and remove the cover.
5. Disconnect the fuel supply and return hoses from the fuel pump/sending unit.
6. Remove the attaching screws and the fuel pump/sending unit from the fuel tank.
7. Detach the sending unit electrical connector, remove the sending unit attaching nuts and remove the sending unit from the fuel pump assembly.
1. Attach the sending unit to the fuel pump assembly and install the nuts. attach the sending unit electrical connector.
2. Install the fuel pump/sending unit into the fuel tank with a new gasket and install the mounting screws.
3. Connect the fuel supply and return lines.
4. Install the access cover and the mounting screws.
5. Attach the sending unit electrical connector.
6. Position the rear seat cushion over the floor, making sure to align the retaining pins with the clips. Push down firmly until the two retaining pins are locked into the rear seat retaining clips.
7. Connect the negative battery cable, start the engine and check for proper system operation and for fuel leaks.
Posted on Jun 13, 2009
could be a bad earth or [ground]
the power wire ma be brocken or have a loose or dirty connection
you neeed to trace it along its lenght to determine the fault!
so start at the pump & work back
Posted on Jul 20, 2009
yes it isn't that much if you buy them.they slide inside the coupler and release the line.
Posted on Dec 27, 2009
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