Question about 2004 Ford Freestar

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04 freestar code po303,changed plugs and wires,same code and car runs rough....help

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  • Anonymous Mar 19, 2014

    Rough idle, bucking

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

Posted on Jun 30, 2009

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Po303


code po303 refers to cylinder 3--misfire detected===causes --engine mechanical fault---wiring---ignition/ fuel system---injector---ECT/MAF sensor---ECM. check plug and HT lead to no 3 cylinder. Check that the injector to 3 cylinder is operational and not blocking or squirting. Have a compression test done to check for compression / gasket problems

Dec 14, 2013 | 2006 Chevrolet HHR

1 Answer

How u fix code po303 passat 2001


i still have same code po303 i have change spark plugs and coil i add a ground wire i can resat end drive for 20+ milages no check enigine light
turn off start up runs for minute or so then coms back on check enigine light same po303 enigine runs very smoth no vibration what so ever I AM LOST

Feb 16, 2013 | 2001 Volkswagen Passat

1 Answer

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


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.

Feb 22, 2012 | 2004 Ford Freestar

1 Answer

2004 ford freestar van idles rough


For rough idle and error code issues on your ford freestar.Click the link below:----
http://howtobyme.blogspot.in/2012/01/2004-ford-freestar-van-idles-rough.html
--------This will help.Thanks.

Jan 31, 2012 | 2004 Ford Freestar

2 Answers

2004 Ford Freestar missing Possible fuel pump?


if you have a bad spark plug wire, it will draw condensation and make engine run rough.... you can check this by getting a spray bottle and filling it with water, spray a mist over top of the wires while the car is running, and if one is bad it will show.... (looks like little lightning coming off of wire) .... hope this helps

Mar 23, 2010 | 2004 Ford Freestar

2 Answers

I got code PO303 on my 2006 ford freestar i just want to know what i can expect it to cost to fix


A P0303 code is a cylinder #3 misfire code. Usally a tune up, of plugs and wires fixes the problem. Normal cost is about $5 dollars a spark plug, about $85 in spark plug wires and around $100 in labor. So around $200-250 for the tune up. Then you'll need them to clear the check engine light, which may cost a diagnostic fee. If you haven't done a tune up in a while that would be the place to start. The other problem it could be is a fuel injector or a cylinder compression problem but those are unlikely. Hope this helps.

Mar 01, 2010 | 2006 Ford Freestar

1 Answer

1997 k1500 5.7l po303 misfire on cylider 3 ...


could be fuel injectors flooding cilinder fuelregulator not working right there is new up gradeinjector system

Feb 10, 2010 | 1997 Chevrolet K1500

1 Answer

Engine runs rough in gear.


Okay disconnect battery for 3 min to reset engine light to turn off! change wire #2 to #3, Swap them then start it. if misfire happens again if your fault codes goes from po302 to po303 then your ignition wires should be changed!!! if it is the same the that side of coil might be at your point of interest to change but I think spark wires might do it!!!! spark plugs should be the same time!!!! I think this will help??

Sep 28, 2008 | 2000 Saturn Ls 4dr Sedan

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