1997 Camry V6 has codes P0401 and P0402

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Apr 6, 2020 | 11:25 PM

97CamryV6

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1997 Camry V6 has codes P0401 and P0402

My 1997 Camry V6 has codes P0401 and P0402. The VSV for EGR valve (part 90910-12174) passes the 9V battery test, it clicks when power applied to terminals.
What do I test next?

Apr 7, 2020 | 12:37 PM

toyomoho

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From: PTW

Do you check the actual functioning of the valve, as in when energized certain vacuum ports open and others close.

Apr 8, 2020 | 05:22 PM

97CamryV6

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I blew into the in port and when I connected the 9V the air flow out switched from one port to the other

Apr 8, 2020 | 06:18 PM

toyomoho

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From: PTW

Check EGR position and temperature sensors and wiring.

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