Question about Mazda 626

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91 mazda 626dx 2.2liter shuts off while driving

Replaced ignition coil... ignition module.... plugs are getting barely any spark. while driving the car completely shut down. we replaced the coil and it ran for about 5 miles and then shut down again. so we replaced the ignition module and still cant get it started. any help?

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  • Xero Omega Apr 09, 2009

    I had the same problem. It used to vibrate alot when getting around 50 to 70 and then one time it cut of while i was driving but then the strangest thing happened and it turned back on and it was fine. But it did this a couple of times. Then the problem worsened and when i was at a dead stop say like a stop light or stop sign it completely shut off and couldnt get it started till about 30 minutes later. But it did that about 3 more times and then now i cant even get it started. So then i started to read the manual on my car and i checked certain systems and i would not get a spark. So I replaced the plugs, the spark plug wires, cap, rotor, ignition coil, battery, and now i took out the cpu and i was going to trace it back to whats faulty but yet my manual does not cover my version. So i tried looking on the internet for the chart to tell me what wires are what and there is none. And yes i checked the fuel system and fuel filter and it is working just fine. Please help me and im sorry for the long message i just wanted to let you know what all i have done.

  • Mike Butler
    Mike Butler May 11, 2010

    You know for sure your getting fuel when this happens?



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Sounds like the fuel pump relay

Posted on Feb 23, 2009


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Hi Gerrie1974-

WildBill49 here......Not knowing the specific year and version of your Mazda, I cannot give you a specific part at fault, but I can help you. I am assuming we're talking about an electronic distributor single coil ignition system

If the spark is weak directly out of the coil (with a known good coil hooked up with correect polarity), then the problem is in the spark trigger module... There is a variety of designs, but the basic components remain the same. This is the part of the ignition system that replaces the breaker points. It consists of two parts - a magnetic spark trigger sensor, and a spark signal amplifier/controller. these are sometimes combined into one ignition module.

Replace this module, and spark from the coil should be strong! If it is still weak, reverse the two wires to the coil.

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Gerrie, I hope this is what you are looking for, best of luck, and if you feel my advice worthy, please rate it!!!


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