Question about 1990 Mazda 626
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Posted on Jan 02, 2017
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
you will find it in the fuse box under the hood in the engine compartment,lift the lid and inside everything is labeled.
Posted on Jan 27, 2010
The transmission range sensor aka neutral safety switch is located underneath the air filter on top of the transaxle and very easy to access. Replace this part (around $50) and it will solve your problem.
What happens is this, when your tranny warms up, it disperses heat to the sensor switch and if its faulty or worn out, will send faulty relays to the transmissiom computer module (TCM) and makes the transmission shift irratically (OD to 3rd and back while driving at freeway speeds). You tranny is not overheating like most people believe, its the switch. Mechanics are telling alot of people that their tranny needs replaced. Watch Out For These People!! They only want your money!!
Posted on Feb 13, 2010
The fuelpump is located in the fueltank and is accessible by removing the rear seat squab. Under the squab is a service panel that will have a few screws holding it down. remove the panel and instead of removing the pump try giving it a firm rap with a hammer handle or piece of solid wood taking care not to damage the wiring or fuel lines exiting the top of the pump assembly. This may be enough to get the pump to work again.
Posted on Aug 21, 2010
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