Engine code - EOP
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Northstar Engines and System Technical Discussion Discussion, Engine code - EOP in Cadillac Engine Technical Discussion; 2001 DTS. I got a code off my dash P1189 for Engine Oil Pressure (EOP) Switch Circuit. I read that ...
  1. #1
    mklano is offline Cadillac Owners Member
    Automobile(s): 2001 Deville DTS
    Join Date
    Nov 2007
    Posts
    34

    Engine code - EOP

    2001 DTS. I got a code off my dash P1189 for Engine Oil Pressure (EOP) Switch Circuit. I read that this could be due to the fact that the sensor is loose and not connected. Where would I find this sensor to connect it again?

    Thanks.

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  3. #2
    Ranger's Avatar
    Ranger is online now Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with floor shift)
    Join Date
    Jun 2004
    Location
    Woodstock Ill.
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    66
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    Re: Engine code - EOP

    The oil pressure switch is on the oil filter adapter. If you need to replace it, be sure to use an A/C Delco switch.

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