2004 Dodge Neon Car Sputters when the gas pedal is pressed

  • 1 POST
  • 2004 DODGE NEON

Engine Performance problem
2004 Dodge Neon Front Wheel Drive Automatic 53800 miles

I drive a doge neon 04. If I am driving and I press the gas pedal lightly the car drives with no problem, but the minute I "mash down" or press it a little harder the car jerks/sputters. The car does not cut out so it is not a blocked catalyst and I changed the mass air flow sensor and it didnt do this for a day and then started back again. The car also gives a hard start I must turn over the engine for a long time before it starts. COuld you please help and point me in the right direction. I hooked it up to a computer and the only code was p0440 and that is loose gas cap or I put gas with the car on.

Do you
have the same problem?
Thursday, April 10th, 2008 AT 1:58 PM

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