Question about Mercury Villager

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My mercury villager starts and drives but the second it starts to warm up a little it runs really rough and then dies

I replaced plugs,rotter butten,distrebuter cap,the cat,and still can't figure it out please help

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1 Answer

I would do a cylinder leak down test

Start with the mechanical integrety first.

Is the exhaust converter 12 years old & blocked?

Gas filter how old,more than 3 or 4 years

Check fuel pressure at motor

New O2 Sensors at 100,000 miles

Thermostat working

PCV System?

Vacuum Leaks?

Posted on Dec 04, 2012

  • 3 more comments 
  • mike Dec 04, 2012

    i cut the cat off cause thats what i thought it vacume leaks.i changed the fuel filter two months ago but it ran out of gas shortly after.and thats when all my prombloms think that could be the problom?

  • Anonymous Dec 04, 2012

    Running out of gas ruined the fuel pump. Need fuel to keep it cool Can not use any vehicle without the converter & O2 Sensors you have no fuel control in closed loop when hot

  • mike Dec 04, 2012

    well see thats the thing i can hear the fuel pump kick on and it runs good when temp gauge reading cold but when it starts getting on the normal line thats when it starts acting up real bad.and i put a piece of flex pipe were the cat was so its going thru the o2 sencor.

  • Anonymous Dec 04, 2012

    Read what I wrote above. You have no fuel control at all without the o2 sensors. You removed all the required parts needed to use the vehicle

  • Anonymous Dec 04, 2012

    It is against Federal Laws to remove the exhaust converter


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