more hesitation

thecrash91

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:
2003.5 Mazdaspeed Protege
this one was weird, when it hesitates, it will happen for about 5-10 seconds at a time, as in the car will become dead silent, will not move for a good 5-10 seconds. if i let out on the gas and push it in again i hear the intake sucking in air, but i get no combustion in the cylinders. could this be spark plug wires (i already replaced ignition coils and it fixed my other hesitation problem)? or something bigger since it seems like im getting no combustion at all for a good 10 seconds? need urgent help, my job relies on my car. thank you
 
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