Best Answer

Buy a new one at car parts store, then unscrew the old one to put new one in. Remove the plastic cover over the engine head (four nuts). The PCV valve is located at the top/back right--it has a black rubber vacuum line plugged into it.

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โˆ™ 2007-09-01 16:45:30
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Q: How do you replace the PCV valve on a 2003 Toyota Echo?
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