Question about Mazda MX-3

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I have a Mazda mx3.The fuel pump was replaced.Changed the fuel pump the car will no longer start. I removed the hose coming out on the fuel filter and its getting fuel at least that far.

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  • Mazda Master
  • 5,324 Answers

Why did you replace fuel pump? Did you buy a dealer pump or cheap aftermarket unit? Just because it is new does not mean it is good. Have you run pressure test?

Posted on May 05, 2015

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 32 Answers

SOURCE: 94 MAZDA MX3 REPLACED FUEL

check the fuel pump relay. it is located under the hood in the fuse box directly in front of the battery

Posted on May 03, 2009

  • 33 Answers

SOURCE: Car turns over wants to start but won't defin not starter

if your car has problems starting then gas shouldnt be the problem.. maybe an alternater or starter ignition

Posted on Jun 02, 2009

  • 66 Answers

SOURCE: how to replace fuel pump 1995

remove rear seat bottom and you will see access cover

Posted on Jun 29, 2009

Davaith
  • 56 Answers

SOURCE: Mazda Lantis will not start

What you can do is disconnect the fuel filter and have an assistant watch under the vehicle while you turn the ignition switch (but with out actually turning the engine on. If the Fuel pump is an electrical fuel pump it will spit out fuel for about 3 to 5 seconds.
If nothing happens then a more extensive method to checking the fuel pump


Ok if you could find the fuel pump relay.
It will have either 4 pins or 5pins
This is a trick to activate the fuel pump with out the engine actually running and for longer that 3-5 seconds.
the 4 pins are numbers 85 86 30 and 87 (87a)
If you can remove the relay and memorize where the pins go. Then acquire a bobby pin or paper clip and cross the terminals 30 and 87 (87a) and if the fuel pump activates then it functions but remember to have the key in the ignition with it to the run postion but the engine off. If this works then the relay could be bad, Test Terminals 30 and 85 for resistance.

Reply if you have questions

Posted on Jul 13, 2009

  • 155 Answers

SOURCE: I have a 1992 Mazda MX3 that sat for 6 yrs with a

try to clean out the mass air flow sensor and check to see if you need to replace the sparkplug wires and if you can also check on any engine codes

Posted on May 22, 2010

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2 Answers

My 1991 mazda mx3 wont start. It wont start by key but starter jumps, still no soark not sure about fuel. Last time it ran it started but it stalled and wontnstart again. Help me plz ?


It won't spark if no fuel reaches injectors check if you have fuel pressure. If not migh have frozen fuel filter it it havent been changed in the last two years or ever ..change it

Mar 02, 2016 | Mazda Cars & Trucks

1 Answer

1993 mazda mx3 won't start


If the fuel filter was very dirty the injectors may be clogged up . How much pressure do you have to the fuel rail ? How did you check spark ? How good is the compression ?

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I have an 92 mx3, it idles just fine but as soon as i give it gas it wants to die, can you help me with any ideas?


Sounds like low fuel pressure.Crimp the fuel return line see if it improves if it does a fuel filter and pump will be needed

Feb 24, 2012 | Mazda Cars & Trucks

2 Answers

I have a 1992 mazda mx3 was driveing and it died like it was out


The easiest way to rule out a fuel starvation problem is to remove the rubber air tube between the throttle body and the air box, manually open the throttle body valve and spray a short burst of stating fluid into it. Quickly release the valve, and attempt to start the car. If it starts and runs briefly then you are not getting fuel.

Jul 20, 2010 | 1992 Mazda MX-3

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My Mazda mx3 starts up idles for a couple seconds then dies.


Before you replace the fuel pump, I would check the cheaiper parts first. Such as fuel filter and injectors.

Jun 17, 2009 | 1992 Mazda MX-3

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94 MAZDA MX3 REPLACED FUEL PUMP, HAS NO POWER TO PUMP, HAS SPARK, CRANKS BUT WONT START


check the fuel pump relay. it is located under the hood in the fuse box directly in front of the battery

Apr 16, 2009 | 1994 Mazda MX-3

1 Answer

Mazda mx3 wont start


VSS or vehicle speed sensor aka cam sensor or crank position sensor. Test the battery and alternator. You should also check for blown fuses, bad wires and grounds on a car as old as yours. If you find it's getting spark and fuel after further testing, check the timing belt. It could have slipped or broke even if it was changed recently so either pull off the cover or at least do a compression test.

Apr 16, 2009 | 1992 Mazda MX-3

1 Answer

Mazd mx3 losing power


the mass air flow sensor is probably dirty or needs to be replaced this meters air flow to deitermin the right amount of fuel the injecters need hope this helped

Jan 29, 2009 | 2005 Mazda MX3

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