Question about 2001 Ford Expedition
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Posted on Jan 02, 2017
SOURCE: 2001 ford taurus p0301 and p0303
You are mis fireing on cyl 1 and 3 if you replaced plugs and wires and coil this is going to be a fuel injector issue or valve issue. See if you can swap the injectors with known good cyl. and see if it changes. Or have a shop do a fuel injector service on it to see if it helps. It may be to late for the fuel injector service.
Posted on Mar 01, 2009
Hi check all the fuse. fi the fuse are ok . remove the coil pack and reverce if the cly missifire change replace the coil if not chage replace the electronic comtrol module ok.
Posted on Apr 20, 2009
is there and codes. did you check all the vacuumn lines. they are very bad for vacumnn leaks around the very back of the upper intake. the pcv hose
Posted on Aug 14, 2009
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