Question about 1998 Mazda B-Series

1 Answer

How to change a fuel pump on a 98' Mazda B4000

Replaced the fuel filter but still losing power while I am driving

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  • Mazda Master
  • 5,817 Answers

Could be catalytic con.?

Posted on Dec 01, 2014

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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stormbrewin
  • 426 Answers

SOURCE: 1996 mazda mx6 ls cranks but won't start

you may need to run a wire from a keyed ignition source that has power while cranking and running to the fuel pump relay and bypass the pcm to test wether it will run, if it runs put a more permanent wire in place.Not too sure what tests youve done but it seems that fuel is what your focusing on so a quick test is too spray engine start up the intake tube to see if the engine trys to run if it does it eliminates a lot of other potential reasons for a no start condition.Also try squeezing the fuel return line to see if the added pressure will try to make engine run.Could be time to replace fuel pump etc anyway let me know how it goes good luck with it

Posted on Dec 12, 2008

  • 1 Answer

SOURCE: Mazda B4000 Fuel Filter replacement

remove the bracket from around the filter, and remove the clip from the fuel line, and it should pop right off.

Posted on Dec 23, 2008

emissionwiz
  • 80668 Answers

SOURCE: Location under hood for fuel pump relay on 2002 Mazda Millenia S

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

  • 1 Answer

SOURCE: changing rear brakes on 1998 mazda B4000

make sure your brake adjuster is backed all the way off then gently tap all the way around the back to remove

Posted on Apr 10, 2009

localwonder
  • 6784 Answers

SOURCE: how do i replace the fuel pump in my 1993 mazda 626 2.5

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.



To install:

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

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1 Answer

My Mazda 1998 B4000 looses power when I drive and than the power comes back. It is intermitted . I was investigating and could be my fuel relay. I already changed the fuel filter and did not correc


Test fuel pressure when key on/ engine off, and when running and compare to specs. Could be bad fuel pump, relay, regulator, gas cap, injector failing.

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Wouldn't you want to do some testing, to actually find a problem,
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Do that--- test things

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i would clean out tbe fuel tank and fuel lines, check for kinks.
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May be an idea to clean throttle body too.

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2007 Mazda B4000 Fuel Pump Noise


sounds like he's trying to wait till the warrenty expires.... be on record as complaining about it during the warrenty period...
the only recall i could find was on the fuel tank itself and my search was in someways imcomplete.
this is about all i can find on your vehicle in regards to recalls
http://www.lemonauto.com/complaints/mazda/mazda_b_series.htm

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remove the bracket from around the filter, and remove the clip from the fuel line, and it should pop right off.

Jun 21, 2008 | 2007 Mazda B4000

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