A 1998 Mercury Mystique , 2.5 liter V6 has : ( 1 timing CHAIN to each cylinder head , so there are 2 timing CHAINS )
It's right after the airfilter box
right behind the air filter toward the engine
The fuel pump fuse for a 1998 Mercury Mystique is located in the main fuse panel near the hood release. It prevents the fuel circuit from being overloading and damaging the pump.
According to the 1998 Mercury Mystique Owner Guide : ( 61.5 litres / 16.2 U.S. gallons )
We found the the valve cover had a bad gasket. We had to replace ours and that solved that problem.
yes
No , coil pack
You can view the 1998 Mercury Mystique owners manual online at : www . motorcraft service . com ( no spaces ) Click on Owner Guides ( The fuse section starts on page 109 ) The owners manual shows the location and diagram
That should be OBD 2
Replacing ERG Valves in a 1998 Mercury Mystique is fairly hard because it requires great precision to avoid blocking the EGR passage.
I think you mean the Variable Camshaft Timing Solenoid or VCT Solenoid (F8CZ-6L713-AA) used on 4 cyl engine. It is located under the camshaft cover on the on the exhaust camshaft.