Things You'll Need:
- Phillips screwdriver
- Ratchet and socket
- Solvent
- Wire brush
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Step 1
Park your car in a safe place, open the hood and locate the EGR valve. On most Protege models, you will find this valve one the side of the engine. Remove the air duct from the air cleaner assembly connected between the throttle body and air filter box using a Phillips screwdriver or ratchet and socket if needed. You should be able to see the valve underneath the throttle body or close to it. The valve is a small plastic box with a cylinder and electrical connector on top.
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Step 2
Unplug the valve electrical connector by pressing on the lock tab and pulling the wire at the connector.
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Step 3
Remove the two EGR mounting bolts using a Phillips screwdriver or ratchet and socket, depending on type of bolts installed in your particular model. After removing the two mounting bolts, lift the valve off the engine compartment and the small aluminum gasket between the valve and its mounting base.
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Step 4
Place the valve on a workbench or appropriate flat surface and remove the four mounting screws securing the electrical solenoid to the EGR valve using a Phillips screwdriver.
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Step 5
Mount the electrical solenoid on the new EGR valve.
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Step 6
Clean the EGR valve mounting base at the engine to remove all traces of carbon deposit. Use a wire brush and solvent, being careful not to damage the mounting base to avoid gas emission leaks.
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Step 7
Set the new EGR valve in place along with the new gasket, if provided with the new unit, and install the two mounting bolts. Be careful not to over tighten the bolts to avoid damage to the threads or component.
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Step 8
Plug the electrical connector on the EGR valve solenoid. Reset the Check Engine light following the instructions on your car owner's manual or ask your local dealer.
