How to do a tuneup on a 2004 ford explorer Source Source Source Source Source Source Source Source Source Source Read Also: How to do a tuneup on a 2004 ford taurus How to do a tuneup on a ford explorer How to do a tuneup on a 1999 ford explorer How to do a tuneup on a 2003 ford explorer Tuneup for ford explorer How to do a tuneup on a 2002 ford explorer