>used an obII sensor to figure out what was up with my light comin
>on...read egr valve, small leak. doesn't sound to expensive...any one
>know what this part does?
See
<http://www.obd-codes.com/trouble_codes/generic/p0442-evaporative-emissio
n-control-system-leak-detected-small.php>
<http://www.obd-codes.com/trouble_codes/index.php>

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Alan
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