Remove the egr valve, but be careful. The bolts can break easily if rusty. make sure the vacuum hose is clear of obstruction and try and spray some intake cleaner into the intake where you removed the egr valve, it may take some time with a small tool to work through the clog until the passage is clear
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
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 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.
4 Bolt X 108 mm