You could take it to a dealership or auto shop and have them swap it out.
4.5 quarts
means its time to buy a Chevy
Trouble code P0304 means:Cylinder 4 misfire detected
No you can not
BIG job,costly. Replace with mopar eng. 318-360.
between firewall and engine, between a rubber hose that leads to the valve cover and a short 90 degree hose to a vacuum nipple.
The code for a P0171 means the system is to lean.Check for a vacume leak first.You could also have low fuel pressure or a bad O2 sensor.
It is behind the starter, You will need to remove the starter to get to it.
A Starter is simple to remove... if you have the 2.5L engine, its just 2 bolts on the trans behind the engine and 1 below the starter... alot says the bolt that's below that you have to remove it from underneith, I never do, I always take all bolts out from the top.
Buy yourself a Hayne's or Chilton's repair manual at any auto parts store. Here you will find the info you are looking for.
remove it and it wont start if that light burns out oris removed the eng wont start it shuts down the computer on most new modles
it is the sensor that sticks in the bell housing between the eng and trans held in by a 10mm bolt top back side of the trans remove the snorkle and air box to see it