Emissions recall due to problem with swirl shutter valve on Mazda Mazda6

Mazda issued an emissions recall due to a problem with the Swirl Shutter Valve; this would cause the Check Engine light to illuminate.

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Average mileage: 94,233 (46,500–150,000)
5 model years affected: 2006, 2007, 2008, 2009, more2010
8 people reported this problem
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2008 Mazda Mazda6 86,200 mi,
appy light accelration and it appears to cut almost and rpms go up very fat,then comes bck down,normal speed.had replace cam shaft sensor.my mechanic says i needto replace crankshaft sensor now.help!! also check engine stays on.