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
were is the iac locate on a 1999 mercury mystique
Through the schrader valve on the low pressure side.
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 )
left rear of engine behind oil separator
We found the the valve cover had a bad gasket. We had to replace ours and that solved that problem.
on the bottom side of the intake manifold...2 bolts and a quick connect plug...the new one comes with a new gasket...
pcv valve is located under exhaust manifold. Has long metal tube coming out of it. look from drivers side
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.
Find the a/c dryer and it is the low side of the a/c unit, that is where you fill the 134a Answered by Littlestown Lube & Brake Littlestown, PA 717-359-5022
The 2002 Mercury Mountaineer EGR valve can be found in the engine compartment, on the firewall. The EGR valve will be labeled as such.
Where is the location of the EGR valve on a 1997 Mercury Mountaineer V*