Tech notesRemove the EGR valve (just two bolts and a electrical connector) and see if the pintle valve is stuck and carboned up. It should move freely when pushing it in. If it is hanging up and doesn't close properly this could be the problem.
P1775 DescriptionThe P1775 code is set on the Transmission Control Module (TCM) when the engine stalls.
P1775 Information for specific makes
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