Question about 2004 Ford Freestar

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04 freestar, engine light intermittently flashing, running rough w/loss of power

Engine light flashing under acceleration, rough running & lose of power

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It's bad enough to have a steady engine light, but to flash...really not good. A flashing engine light means the vehicle is in "limp home mode". Enough to get you somewhere to have it fixed immediately.

All sorts of issues could be the cause here from plugged injectors, plugged fuel filter, bad spark plugs, bad coils. You need to find out what the codes are that are stored in the computer to provide more detailed clues as to what's going on.

Posted on Feb 22, 2012

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Posted on Jan 02, 2017

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  • 77 Answers

SOURCE: 2008 F250 Diesel

It sounds like a problem with your computer or injection system. the computer controls the amount of fuel put in the cylinders when you step on the gas. But it sounds like your truck's computer is having problems controlling this and when you accelerate hard or are towing and step on the gas, the computer just pumps diesel into the cylinders which causes the rough running(i assume misfiring and what not) and the loss of power. But when your not towing or accelerating hard, you are better controlling the amount of fuel going into the cylinders so there arent any problems. Go back to the dealer and tell them there is a problem with the injection system and it adds too much fuel when you try to get a lot of power out of it.

Posted on Oct 20, 2008

emissionwiz
  • 76164 Answers

SOURCE: 2006 freestar

Most likely there is a wheel speed sensor that is throwing an erratic signal and making the system think you have lost traction, the system may have a trouble code stored, have it tested by your local Ford dealer to verify the trounle code.

Posted on Dec 05, 2008

pippall
  • 1486 Answers

SOURCE: Power loss & all dash lights come on

Check battery connections and alternator connections and starter connections are all clean and tight

Posted on Jun 07, 2009

  • 19 Answers

SOURCE: 04 freestar code po303,changed plugs and

i belive it might be your injectors get a fuel injection service and see what happens

Posted on Jun 30, 2009

  • 30 Answers

SOURCE: 01 ford ranger 4x4 4.0V6-- rough idle like it

I agree. Try replacing the spark plugs, install new spark plug wires, change the air filter, change the fuel filter, and test the battery and alternator. Run a bottle of fuel system cleaner and water remover through it. To replace the spark plugs you'll most likely have to go through the wheel wells cause of their hard accessibility from the top. The fuel filter is located on the inside of the frame on the driver's side. Hope this helps. God bless

Posted on Oct 22, 2009

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