mhinchley Posted February 26, 2006 Report Share Posted February 26, 2006 1997 Deville Diagnostic Code: P0153 - Heated Oxygen Sensor (HO2S) Slow Response Bank 2 Sensor 1 How do I know which of the 3 sensors is this one? I don't have a diagram or anything labeling them so unsure how to figure that out, and prefer not to change all 3 if only 1 is malfuntioning. Link to comment Share on other sites More sharing options...
BodybyFisher Posted February 26, 2006 Report Share Posted February 26, 2006 See Ranger's Post here: http://caddyinfo.ipbhost.com/index.php?sho...ic=7023&hl=Bank Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
mhinchley Posted February 26, 2006 Author Report Share Posted February 26, 2006 Thanks.........by the radiator.........dang was hopin it was by the cat. Link to comment Share on other sites More sharing options...
chazglenn3 Posted February 26, 2006 Report Share Posted February 26, 2006 The one by the radiator I found to be easier to access than the one by the firewall. Charles Charles Link to comment Share on other sites More sharing options...
mhinchley Posted March 3, 2006 Author Report Share Posted March 3, 2006 The one by the radiator I found to be easier to access than the one by the firewall. Charles It wasn't as bad as I thought. Got it change and code along with SERVICE ENGINE LIGHT reset, so looks good. As a bonus the company that sold me the car paid for all 4 sensors when I only need one.....so I have spares. They also paid for a new headlamp switch which worked out well. Link to comment Share on other sites More sharing options...
BodybyFisher Posted March 3, 2006 Report Share Posted March 3, 2006 Glad you straightened it out, Mike Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
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