ron.dittmer wrote:
Make sure your tire pressure is proper for the load the tires carry.
If it still wanders after following the advise above, there are other relatively affordable remedies.
Being a 2003, you could benefit from any or all of the following.
- heavy duty front & rear stabilizer bars (the Ford stock front stabilizer bar is near useless)
- heavy duty shock absorbers
- rear trac bar (especially beneficial if towing)
- heavy duty steering stabilizer (ex: Safe-T-Plus, Steer Safe, other)
For our 24 foot rig built on a 2007 E350 chassis, I had all that done 800 miles after buying the rig brand new. It's handled perfectly since....just like an SUV.
X2 on what Ron posted. Also have the upper and lower ball joints examined. Mine were shot. After replacing them with NAPA ball joints with Zerk fittings (highly recommended) the steering was much improved.
This post has the link to Ford owners website. This is where I found out that my 2005 Majestic has a 2004 E450 chassis:
http://forums.goodsamclub.com/Index.cfm/fuseaction/thread/tid/26750467/gotomsg/26780319.cfm#26780319If your in-dash cigarette lighter doesn't work, the OBD port may not work either. in 2004 they share the same fuse:
http://forums.goodsamclub.com/Index.cfm/fuseaction/thread/tid/26939578.cfmHere are some other related posts of mine. Some have price information:
http://forums.goodsamclub.com/Index.cfm/fuseaction/thread/tid/26104099/gotomsg/26107293.cfm#26107293http://forums.goodsamclub.com/Index.cfm/fuseaction/thread/tid/26870002/gotomsg/26870491.cfm#26870491http://forums.goodsamclub.com/Index.cfm/fuseaction/thread/tid/26369398/gotomsg/26369586.cfm#26369586http://forums.goodsamclub.com/Index.cfm/fuseaction/thread/tid/26960889/gotomsg/26994178.cfm#26994178http://forums.goodsamclub.com/Index.cfm/fuseaction/thread/tid/26035008/gotomsg/27541146.cfm#27541146