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2004 Cadillac DeVille Question: can you should me were on the car are the oxgyen senors all 4 I don't know where

 

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janet26, Elizabethtown, KY, September 30, 2012, 16:23
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can I get a picture of where they are

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    mastertech6371 September 30, 2012, 16:38
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     Master

    why are you replacing them?? the chances of all 4 failing at the same time is like you getting hit by lightning in your living room.

    what is the issue??

    Roy

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    janet26, September 30, 2012, 16:48
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    or could it be the mass air flow senor

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    mastertech6371, September 30, 2012, 16:49
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    ok, same question, what is the issue???
    Roy

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    janet26, September 30, 2012, 16:52
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    service engine soon light stays on

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    mastertech6371, September 30, 2012, 17:00
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     Master

    what is the code??

    Roy

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    janet26, October 01, 2012, 11:27
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    po171 and po174

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    ziptie12, October 01, 2012, 20:41
     Master

    Those codes tell you the sensors are working . diagnose the CAUSE before replacing parts .

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  • Answer #2

    goodguy September 30, 2012, 19:53
     Master

    if the service engine light is on have it scan tested for codes

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