What is wrong with my 2004 Ford Focus hatchback? It is idling roughly and sometimes stalls and dies when stopping or sttopped at intersections.

Asked by Feb 15, 2015 at 12:25 PM about the 2004 Ford Focus

Question type: Maintenance & Repair

I just recengently changed the bank
one O2 sensor, the Mass Air Flow
sensor, all 4 spark plugs and wires,
fuel filter and did an oil change. Still
having issues. I also had it running
fine yesterday but then today I started
it then turned on the defroster and it
died. Now it's idling roughly again and
I am having to double peddle it to stop
it from dying at intersections.

1 Answer


It is the pcv valve. They are only about $5-6 and easy to do yourself. Look on you tube for a vidieo

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