Take it off, spray it with brake or carb cleaner, scrape and wipe it off, and reassemble. Be sure to reconnect all hoses in proper places...properly.
ON the left side of the valve cover should see the oil cap
Doesn't exist on an 02 neon
Screws into the valve cover.
A dodge neon does not have a heater valve. The inside temp is adjusted with an airflow control door inside the dash.
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sohc or dohc?
Green
The EGR valve on a Dodge Neon is located on the intake manifold. You will find the EGR valve by removing the air intake plenum, the air filter, the air filter housing, and flex hose that leads from the housing to the throttle valve.
Yes it will
It is on the top of the valve cover.
NO
The PCV valve on the 2004 Dodge Neon is located on the driver's side of the valve cover. It is a black plastic that matches the plastic of the valve cover. Just look for the hose that leads out of it into the intake manifold. It is easily removed by unscrewing it.