2000 Ford Expedition

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  #1  
Old 09-07-08, 09:45 AM
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2000 Ford Expedition

HowHard is it to replace the spark plugs on a 2000 Ford Expedtion any tips or tricks the car seems to bog down at about 60 miles per hours any suggestions.
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Old 09-08-08, 12:16 PM
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As an auto mechanic I would suggest to change the Fuel filter first.Depending on your skills changing the plugs is rather difficult,you will need to take off the coil packs to get to the plugs and they are next to the fuel injectors,also on the right side rear you will need to move the heater hoses out of the way and it is still very crammped.BE CAREFUL removing and replacing the plugs it is very easy to get them crossthreaded.
 
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Old 09-09-08, 12:06 PM
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2000 Expedition

Thank you for your response I am fairly handy, electrical contractor by trade. Perhaps the plugs are best left for a shop to replace, is it hard to replace the fuel filter?
 
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Old 09-09-08, 02:58 PM
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special tools are needed to release the clips. and I would recommend an O.E.M. filter.good luck
 
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Old 09-09-08, 03:04 PM
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Bogs down at about 60? What about at a lesser speed than that. How's idle? How's acceleration?
 
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Old 09-09-08, 03:21 PM
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Eckman51 lesser speeds are fine sometimes in the morning if it cold when you first start it it will ilde rough.
 
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Old 09-09-08, 04:42 PM
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Does it ever try to choke out during sustained accleration? A good test for this is going up a long hill as there you are under load with pedal to the floor more for a longer period.

Plugs, when defective, can cause misfire at idle with weaker spark that does not jump the electrode as it should, but can actually improve during accelleration, sometimes.

With a problem like yours, that can be so many things, don't feel bashful to say everything you can think of. Also miles on car and any service work you have had done.

If car engine goes flat at top end - maybe fresh air intake stuck closed, bad air filter, bad egr valve, bad fuel filter or poor fuel delivery from pump or at injector, collapsed cat, disconnected vacuum line to some key component, bad MAP sensor, bad timing/belt - are a few other things that come to mind quickly.

Pull a spark plug or 2 and check it's color and condition.
 
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