Question about 2004 Mazda 3

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Car will not start has spark and fule

I replaced the motor in my mazda 3 2.3 it wouldnt start first cupple of trys but eventuly fired up and ran grate. about a week later it just died on highway and will not fire back up. its getting fule, new spark plugs were soaked when i took them out and its geting fire on all cylinders. could it be an ecm problem

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  • naterps Feb 16, 2009

    yea i checked them there all good two are new, with new plugs i did a compression test and it was 30 on 1 and 3 i didn't evin try the others. could it be the crank pulley slipped on the rubber insert in them? how do you check timing on the 2.3 motor



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Try removing the coil pack and see if its cracked ,it might not be throwing out enough power to spark under compression .

Posted on Feb 16, 2009

  • Colin Stickland
    Colin Stickland Feb 16, 2009

    induction timing light,but if sensor was loose it wouldnt spark,either fuel enrichment device is playing up or as you say an ECU problem,iam not doing a call out tonight to have a look, flights a bit dear of late from spain.Call a mobile mechanic to have a look and if he cant fix it dont pay him because if cant fix it hes not a mechanic .It has to be something simple like the plug come off of air flow meter or the temperature sensor plug .Trouble is i repair all makes of cars,trucks and evan tractors ,outboards as well but the trouble is iam getting old timers i think i seem to have job remembering recent things but i can still remember fixing morris minors and ford anglias .sorry i cant be of much use



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