99 Grand Marquis with P1405 OBDII code - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
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Old 05-15-2007, 09:01   #1 (permalink)
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Join Date: May 2007
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99 Grand Marquis with P1405 OBDII code

My check engine light came on. The car also started making a noise during acceleration.

I read about some other Ford vehicles that had this code and it's a DPFE sensor, upstream hose off, plugged or cracked. One person had reconnected the hose himself. I'd like to try to look at the hose myself, but I don't know where it is or what it looks like. Does anyone know where it is or how I can get a diagram to show where to look?

Thank you,
Charles
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