car came in with check engine light [...] po401 insufficient egr [...] full vacuum is applied at idle engine bogs down but does not [...] static testing (o"in vacuum voltge 1.30. 1"in vacuum volts 1.30.2"in vacuum volts 1.52.3"vacuum volts 2.86.4"in volts 4.28...

FIX posted 3/16/2005

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