truck sputters

[tbone5574]

I'm an idiot when it comes to fixin vehicles, so I thought I might ask some of you guys what you think of my situation before I go spend hard cash on a diagnostic test.
My truck seems to shake a bit when i start up and it shakes quite a bit when I hit 40mph at the the gear change I believe. It is automatic and I did have the transmission worked on a month ago or so. I do have an odor that to me smells like gas or something maybe burnt not sure. It seems to shake only when I give it gas and I am getting poor gas mileage. If anyone has any ideas as to what this might be, so I can check it myself I would appreciate it. Thanx

[rpage]

hey,

Check out your timing, it sounds like the engine is misfiring because of timing, also check your plugs, faulty plugs will do the same. Dodge's have a problem with engine timing so I'd bet that is the problem.

-Robert Page
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