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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.
Duck tape should do the trick
were is the iac locate on a 1999 mercury mystique
According to Gates ( they manufacture timing belts etc. ) starting with the 1998 model of the Mercury Mystique - it shows to inspect the timing belt at 120,000 miles and replace if necessary on the 2.0 L - 4 cylinder engine
According to the 1998 Mercury Mystique Owner Guide : ( 61.5 litres / 16.2 U.S. gallons )
yes
We found the the valve cover had a bad gasket. We had to replace ours and that solved that problem.
The belt is tightened automatically by the belt tensioner. If the belt is too loose, it's time to replace it.
Take the old one out and put the new one in. Easy...not rocket science.
No , coil pack
The headlight assembly is only held on by a couple screws and can be replaced in a couple minutes.
That should be OBD 2