Question about 2003 Ford Expedition

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2003 ford expedition hesitates and stalls out

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Check all vacuum lines and may try a higher octain gasoline and if that don't work then maybe a tune up.

Posted on Sep 24, 2009

  • anthonyboney Feb 03, 2011

    its not a recall but ford put out a service bulliten to the dealers, Its called the alternator wireing harness. If you follow the 1 of the two red wires that comes out of your battery one has a long black clip on it that says "fuseable link" just past this clip two smaller wires branch off. a short one that runs towards the front of the truck and a longer one that runs back towards the bottom of the battery, This longer one is resting on a aluminum AC pipe. Where the wire rests on this pipe, flip the wire over and you will see it is worn down to the bare copper threads, Tape it up and tape where it rests on the pipe or go to ford and order a new one, its a 10 min job you can do yourself. The part is under $40bucks

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Posted on Jan 02, 2017

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SOURCE: 2003 ford expedition

P0300 Random/Multiple Cylinder Misfire Detected
See all 300-series codes here: http://www.ford-trucks.com/article/idx/7/241/article/Ford_OBDII_Diagnostic_Trouble_Codes__P0300P0399__Ignition_System_or_Misfire.html

Posted on Dec 23, 2008

  • 5 Answers

SOURCE: 2003 Ford Expedition radio will not work

whats the radio serial number

Posted on Jul 03, 2008

SOURCE: truck hesitates & stalls

Check for leaking valve cover gaskets,next to the spark plugs, putting oil near the ign coils. You absolutely have to scan the veh for codes and look at all the sensor values etc. Including putting an oscilloscope on all sensors. The Throttle Position Sensor is a possible and I could go on. Now,do not throw parts at it. Never replace anything just because of a code that is set. Codes do not mean a bad part, just an out of range sensor etc over a number of drive cycles. You have to spend lots of time and if you do not have the up to date knowledge on todays veh systems your done before you start. Don't mean to be hurtful but very few people can solve these issues including half the auto repair industry because there is no training for the most part and no one understands basic electricity or electronics. Todays vehicle are not just mechanical alone as back in the 1960's

Posted on Feb 06, 2010

  • 155 Answers

SOURCE: my 2003 ford expedition reads a code 0303= 3

the passanger side

4 ------------------ 8
3 -------------------- 7
2 ------------------- 6
1 -------------------- 5


front of engine



Posted on May 08, 2010

  • 6 Answers

SOURCE: 2003 FORD EXPEDITION PCV VALVE LOCATION

on my 2003 eddie bauer edition, the valve is on the passenger side valve cover about mid way. Mine had what looked to be three hoses attatched to it, but with further inspection two of the hoses turned out to be connected and just looped around the valve with a keeper clamp.

Posted on Jan 24, 2011

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Truck hesitates & stalls


Check for leaking valve cover gaskets,next to the spark plugs, putting oil near the ign coils. You absolutely have to scan the veh for codes and look at all the sensor values etc. Including putting an oscilloscope on all sensors. The Throttle Position Sensor is a possible and I could go on. Now,do not throw parts at it. Never replace anything just because of a code that is set. Codes do not mean a bad part, just an out of range sensor etc over a number of drive cycles. You have to spend lots of time and if you do not have the up to date knowledge on todays veh systems your done before you start. Don't mean to be hurtful but very few people can solve these issues including half the auto repair industry because there is no training for the most part and no one understands basic electricity or electronics. Todays vehicle are not just mechanical alone as back in the 1960's

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