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Old 11-30-2011, 01:09 AM   #10 (permalink)
Ford Man
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Join Date: Jul 2008
Location: Russellville, KY
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Compression looks like you have a healthy engine. My idea was a new 02 sensor, but I see you've already replaced it. Besides checking the brakes to see if they are dragging you might check to make sure all the wheel bearings are in good condition and rolling freely and have the alignment checked. Did you change the plug wires when you changed the plugs? Could be a bad wire. Might also check to make sure all the fuel injectors are working. What type of driving are you doing? Highway? City? Combined? CEL on? Also check for vacuum leaks. What's the condition of your battery? I've seen my FE drop when my battery was getting weak, probably because the alternator was working overtime trying to charge a battery that was about worn out.
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Last edited by Ford Man; 11-30-2011 at 01:16 AM..
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