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Discussion Starter #1
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. I blew into the in port and when I connected the 9V the air flow out switched from one out port to the other out port.
What do I test next?
 

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Super Moderator
1995 T100 2WD & 1993 MR2
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7,622 Posts
Had a similar problem on my MR2 , ended up being carbon build-up in the EGR Valve.
 
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