on the bottom side of the intake manifold...2 bolts and a quick connect plug...the new one comes with a new gasket...
were is the iac locate on a 1999 mercury mystique
left rear of engine behind oil separator
Through the schrader valve on the low pressure side.
location of heater control valve on 2005 mercury marguis ?
where is the heater control valve
According to the Owner Guide : Motorcraft ( EV-224 ) for the 2.0 liter 4 cylinder engine Motorcraft ( EV-152 ) for the 2.5 liter V6 engine
Remove the vacuum hose from the EGR valve. Pull the valve out of the air cleaner housing. Reverse the process to install the new valve.
A 1998 Mercury Mystique , 2.5 liter V6 has : ( 1 timing CHAIN to each cylinder head , so there are 2 timing CHAINS )
Most PVC valves go in the valve cover of the engine, either in left or right valve cover with vacumn line attached,just pulls out and pushes in for install,usually if pulled out and can shake and rattles its good, if carboned up and does not rattle its bad.
The 2001 Mercury Sable PCV valve can be found on top of the engine. The PCV valve will be on the back side of the air cleaner housing.
The 2002 Mercury Mountaineer EGR valve can be found in the engine compartment, on the firewall. The EGR valve will be labeled as such.
We found the the valve cover had a bad gasket. We had to replace ours and that solved that problem.