P0171 P0174 2001 Ford Windstar -E

Question

Car runs fine for hours then if you shut it off and try to restart it it fails to start unless you give it gas then it runs very rough for about two three minutes have already replaced phleming gasket those,grommets,still having the problem, believe fuel filter was replaced 6 months ago

Answer 1

HI there,

It's very common to have a problem with the mass air flow sensor when both of these codes appear together. Sometimes you can unplug it and see if the van starts faster without holding the gas to see if there is improvement. If there is, then replace the sensor.