It's still a lot of labor. they have to remove head to machine the seat. You should have them do a leakdown test to check valves on other head.
The 1993 Ford escort did not come with an EGR valve. It is one of a few year models that do not have one.
PVC Valve: Probably just a couple dollars...they're pretty cheap
The PCV valve on a 1996 Ford Escort 1.9L is located between the engine and the radiator. It is near the vacuum hose.
No Ford Escorts have a fuel overflow valve.
According to the 1998 Ford Escort Owner Guide : A Ford dealer will change the PCV valve at no cost ( except California and Canada ) at ( 60,000 miles/ 96,000 kilometers )
This is the escort forum not the ford taurus.
The PCV valve is an abbreviation for Positive Crankcase Ventilation, which is the recycling of gases of a vehicle. In a 2002 Ford Escort the PCV valve is located in the front of the engine near the drivers side.
Have you tried replacing the PCV valve?
its on the side of the evaporator, back of bulkhead
The heater valve is located inside the heater box.
around 900$
the ford escort zx2 2.0 dohc don't have one it's equipped with vct(variable valve timing) to replace it