Got Code P1415 Please Help
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Northstar Engines and System Technical Discussion Discussion, Got Code P1415 Please Help in Cadillac Engine Discussion; Hello everyone, I'm new to the board. Can anyone help me with this code P1415 on a 2002 Deville DTS....
  1. #1
    jfrench830 is offline Cadillac Owners Member
    Automobile(s): Cadillac
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    ExclamationGot Code P1415 Please Help

    Hello everyone, I'm new to the board. Can anyone help me with this code P1415 on a 2002 Deville DTS.


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  3. #2
    FrankT's Avatar
    FrankT is offline Cadillac Owners Enthusiast
    Automobile(s): 99 STS
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    Re: Got Code P1415 Please Help

    Hello, jfrench830 and welcome to the Cadillac Owners Forms!

    P1415 is Secondary Air Injection System - Bank 1, which is the rear bank of the engine.

    Here's what you do, test the rear SAI shut off valve with a vacumm pump, the valve should hold vacumm and open when 10" of vacumm is applied. The diaphram in the valve is a common failure. Another thing that could be wrong is the vacumm line that goes to the shut-off valve could be loose, cracked, or plugged. The vacumm soruce to the valve comes from a solenoid under the engine cover, a lot of times the vacumm line gets knocked off during other engine repairs.

    Let us know what you find.

    Frank

  4. #3
    jfrench830 is offline Cadillac Owners Member
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    Thread Starter

    Re: Got Code P1415 Please Help

    Thanks for responding, I am mechanically inclined, but I've never just inspected all up under my hood b4. Exactly where are these things you are speaking of.

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  6. #4
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
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    Re: Got Code P1415 Please Help

    It is on the rear cam cover. Since you are mechanically inclined and do your own work a FSM will be worth its weight in gold. Ebay is your friend.

  7. #5
    jfrench830 is offline Cadillac Owners Member
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    Thread Starter

    Re: Got Code P1415 Please Help

    Sorry about getting back so late but the problem was I had an intake leak. Thanks for all the help!!

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