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Replacing ERG Valves in a 1998 Mercury Mystique is fairly hard because it requires great precision to avoid blocking the EGR passage.
were is the iac locate on a 1999 mercury mystique
We found the the valve cover had a bad gasket. We had to replace ours and that solved that problem.
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
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
It requires replacing the head gasket.