Question about 2004 Ford Freestar

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I have a 2004 freestar, i almost ran out of gas but made it to the gas station before this happend. but now my emission control light is on and when i am at a stop light of idle ti sputters and acts like it wants to cut off until i give it a little gas then it stops until i take my foot off the gas again

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Make sure the filler cap is tight. I have two thoughts: 1) that the emission light is entirely coincidental and that the Vent valve on the fuel vapour emission carbon cylinder is being left open allowing un-metered air into the inlet manifold making the intake mix too lean. 2) That when the fuel got low some dirt at the bottom of the tanks was sucked up into the fuel line with the result that either a) the uptake sock in the tank or b) the fuel filter is clogged preventing enough reaching the engine on each injection cycle. To test for 1) close off or crimp the line from the carbon filled cylinder to the inlet manifold. I fthis provides respite fromt the problem, change the vent valve. To test for 2) disconnect the low voltage to the coils (we do not want any spark) using an old towel (to catch the spill) disconnect the fuel line slightly from the fuel rail on the COLD engine. The fuel should spurt out under considerable pressure and with volume; even with the ignition switch is as position 2 (position 3 'ignition' is not needed for this test). Any suggestion that the flow is slow I would change the fuel filter. If the fault is not resolved after the above steps I would suggest you have the codes from the on board diagnostics read

Posted on Aug 30, 2010

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Posted on Jan 02, 2017

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2 Answers

I have a 2004 Freestar and we are having trouble putting gas in cause it spits it back out when we put it in fast.


run the fault codes and look for an EVAP problem not venting the tank
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Sometimes the vent pipe is inside the filler pipe, sometimes it runs alongside the filler pipe.

For the 2003 Winstar, it is a separate fresh air hose. Frestar was it's replacement in 2004 so it may be different. Check for a plugged or kinked hose.

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1 Answer

When driving the car starts to buck and act likes its going to stall.


Try getting your gas some where else and make sure that the octaine of the gas you are getting is at least 88 or higher. Freestars run much better on higher octaine fuel plus you will get better millage.
And when you get gas look to see if there is a tanker truck filling their tanks. If there is go some where else because you will be getting some of the gunk that normally is settled in the bottom of their tanks.
Every filling station has gunk in the bottom of their tanks, Water,Rust,Dirt, you name it it's in there.
They will tell you that they don't but beleive me it's in there.
I ran service stations for years, I've never seen a tank yet that didn't.

Feb 13, 2010 | 2005 Ford Freestar

1 Answer

Check engine light on after ALMOST running out of gas.


its entirely possible. I have wasted more of my time clearing false EVAP (evaporation emissions) codes from people not tightening down their gas caps than i care to mention. not your problem i know, but bizarre things cause those lights to set. your best bet is to get it checked (aftermarket parts places tend to offer free scans) and if it is fuel related, have it cleared and keep an eye on it for a while.

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1 Answer

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This is usually caused by the temperature difference between the Gasoline in the fuel station ground tank, and that of your fuel tank.
Without spending money to improve on your fuel tank venting system,,the only thing i can suggest is to pump the fuel in more slowly.

Jan 29, 2009 | 2004 Ford Freestar

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