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1997 - 2006 Expedition & Navigator 1997 - 2002 and 2003 - 2006 Ford Expedition and Lincoln Navigator Discussion

01 PROBLEMS

Old Feb 27, 2011 | 05:08 PM
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01 PROBLEMS

Ran fine for 2 weeks then started to miss at about 50-55 mph. Has not set a CEL and no codes showing. I am used to diesels, could it be plugs or coils? Hose on pvc valve has been replaced before I got it. It idles great, don't know where to start. Any help will be greatly appreciated. Thanks.
 
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Old Feb 27, 2011 | 05:46 PM
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Yes it could be the COPs or the spark plugs.
How many miles on it, or rather on the spark plugs?
 
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Old Feb 27, 2011 | 07:41 PM
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Re plugs n mileage

It has 193000 on it. As far as plugs go I don't know I just got it last week. CEL just came on tonight a friend is going to stop after work tomorrow and check it with his computer. If it is coil pack is it ok to buy off ebay. Thanks alloro for the reply.
 
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Old Feb 27, 2011 | 08:31 PM
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Ebay coils are just fine, that is what most of us are running. you cant go wrong for $80 for all 8, with shipping (overnight) and ins. my total was $123. The seller that I think most of us have used is uneek supply.
 
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Old Feb 27, 2011 | 09:43 PM
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Thanks minitrk going to ebay now.
 
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