can I get a picture of where they are
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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
mastertech6371 September 30, 2012, 16:38Master
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??
Replyjanet26, September 30, 2012, 16:48Rookie
or could it be the mass air flow senor
Replymastertech6371, September 30, 2012, 16:49Master
ok, same question, what is the issue???
Replyjanet26, September 30, 2012, 16:52Rookie
service engine soon light stays on
Replymastertech6371, September 30, 2012, 17:00Master
what is the code??
Replyjanet26, October 01, 2012, 11:27Rookie
po171 and po174
Replyziptie12, October 01, 2012, 20:41Master
Those codes tell you the sensors are working . diagnose the CAUSE before replacing parts .
Answer #2goodguy September 30, 2012, 19:53Master
if the service engine light is on have it scan tested for codes