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I start my car, and 3-5 minutes later, it starts to sputter and act like its starving for gas, as if I let off the gas. I can just tap the gas repeatedly, and it will continue to go, (throttle will temporarily work, in spurts), but if i hold the petal, it acts as if im letting go of the petal, and it sputters really bad. if i mash the petal down, i get one of two things, very horrible sounds (so i dont do this anymore.. learned the first time) or if i time it right, i get it to go with the higher RPM and it acts fine for a second, then gors back to the problem. and it acts like this until i pull over and let it idle and go through a little sputter fit, and then its fine... until i hit a bump, stop for a sign, or red light, then when i go again, it does it again. its really freaking me out, makes me wonder if I'm going to make it to work everyday.

I have seen many issues on these forums that are almost similar, but not quite what i am experiencing. I've read peoples posts saying everything from change the plugs/wires/distributor, to vacuum leaks, to air filter, to fuel pump/filter/injectors, to sensors, to fuses, to head gasket. and I really just dont have the money to go down the whole list, especially if i do it in the wrong order, and fix it on the last one!

I have replaced the fuel filter, air filter, and run injector cleaner through it several times, got new plugs, and it hasnt been too terribly long since i had gotten a new head gasket

Someone please help! Thank you in advance

 
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Start with a fuel pressure check to rule out the pump, and check for vacume leaks.almost sounds like a sensor or wire could possibly be loose to me though How long has it been since wires, cap, and rotor have been replaced, should only be 75 to 100 for that if its been a long time or you dont know, plug wire can do some wierd stuff and "look" fine (easy to do, dont touch the metal electrodes on the inside of the cap or rotor, not sure how mechanicly inclined you are)Thats where I would start at.