Unplug the ECC fuse. If the fuse does not blow, then hook up the ECC. If the fuse blows then the ECC will need to be replaced.
were is the iac locate on a 1999 mercury mystique
According to the 1998 Mercury Mystique Owner Guide : ( 61.5 litres / 16.2 U.S. gallons )
yes
No , coil pack
Replacing ERG Valves in a 1998 Mercury Mystique is fairly hard because it requires great precision to avoid blocking the EGR passage.
That should be OBD 2
I don't think so.
A 1998 Mercury Mystique with the 4-cylinder 2.0 DOHC appears to have a non-interference engine. Therefore, if the timing belt breaks, there should be no damage to the valves/pistons.
Dealer or salvage yard.
98 mystique has only one cat conveter
There could be several reasons why a 1998 Mercury Mystique is overheating. The radiator may have a leak, the thermostat may be stuck, or the head gaskets could be blown.
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.