i took the top plastic cover off ( the parts that says 3.3 or 3.8 on it) and cleaned the top where it seals both the metal and plastic and put gasket cememt around the orange ring gaskets and put it back together and it fixed mine. i took out the injectors and cleaned the holes also. it was one of the two
P0303 is cylinder #3 misfire.
see related questions below.
Duct tape
1998 Dodge Caravan Speedometer Has a second connector attached with a white pigtail. What is that used for and will it operate without it?
Usually you replace the egr valve.
There's a TSB on this problem.
You need to BClear. What is wrong with it?
Replace the cam sensor
Fix the cause, or keep adding fluid.
Go to a Car Repair Shop
you fix whatever is making it come on :-)
There is no repair procedure, it is a replacement only item.
P0303, cylinder #3 misfire. Check plug, wire, coil, etc.
You fix it cause its broke.... Check the left bulb