Question about 1998 Ford Expedition
1998 Ford Expedition 5.4 Triton. I have replaced numerous vacuum lines, such as the PCV line, and others due to holes or tears. Now the engine runs rough again. Codes indicated are P0401 and P0308. Any suggestions?
Spray carb. cleaner on vac lines while running. engine will change rpm when sprayed near vac leak
Posted on Jan 12, 2009
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Posted on Jan 02, 2017
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