Fuel problems suspected

[LiquidXtassy]

ohh god where do i start. the car just underwent a full tune up and it has 75000 miles on it its a v6.
First Problem:
The car seems to shake or i feel alot of vibration in the steering wheel when its in Drive and im stoped at a light or just idling but once put in neutral all the vibration goes away.
Second Problem:
This only happens when its at a Quarter full or less of Gas and no exageration it only happens When it reaches 1/4 full. Driving is not a problem but when i try to accelerate a little harder around 4000 rpm's or so the car bogs like its not getting any fuel and on two instances it has shot off on me and i was on the highway both times and its not pretty when ur doing 65 and u losse all power sterring and breakes. Recently the service engine soon light came on. before i take it to the mechanic i would realy appreciate it if any one had the same problems or has even an idea of what it is..maybe i can do it myself.

thank you very much for those that can help me out.

[Spilner521]

Sounds like maybe a bad fuel pump...

I'd go to Autozone or someplace like that and have them read the check engine light. They do it for no charge, and then you can know what the problem really is, and then decide if you can fix it yourself.

[pawzbear]

i get the rough shake at stop lights too... only sometimes though. its weird i cant find a pattern to it? and i seem to burn oil. i dunno where it goes but my car doesnt leak at all.

[alerored04]

maybe a fuel filter as well. How many miles are on your current filter? It might just be clogged. The scan data will help us figure a lot out though.

[Redog]

Try the filter first, supposed to be changed every 2 years / 24,000 miles, if that doesn't work, it's the fuel pump