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Can you should me were on the car are the oxgyen senors all 4 I don't know where

(2004 Cadillac DeVille)
in Elizabethtown, KY on September 30, 2012
can I get a picture of where they are
Displaying 2 answers & 6 comments
Popular Answer
on September 30, 2012
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
on September 30, 2012
or could it be the mass air flow senor
on September 30, 2012
ok, same question, what is the issue???
Roy
on September 30, 2012
service engine soon light stays on
on September 30, 2012
what is the code??

Roy
on October 01, 2012
po171 and po174
on October 01, 2012
Those codes tell you the sensors are working . diagnose the CAUSE before replacing parts .
on September 30, 2012
if the service engine light is on have it scan tested for codes
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