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what about the ford marquise 2000 p1409 error ??

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i need to know the exact spare part to buy or to whome should i go to fix it ???

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P1409 EGR vacuum regulator circuit  malfunction

 The vacuum regulator circuit, even though the code is P1409 which is for the vacuum regulator circuit some of these code are set vacuum to the regulator is disconnected ​

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