93 5.7 cat delete o2 sensor light

[ol-Betsy]

Have you downloaded the emissions and driveability manual for your truck? It'll have a bunch of useful info, including where the o2 sensor is intended to be from factory depending on your model. Apparently it varies quite a bit which is surprising to me. Pay attention to the series,engine code/rpo..etc..

88-98 Service Manuals

Over the years I have collected a bunch of GM service literature. Links to PDF Scans of service and STG manuals and a links to the Parts manuals. You'll need the FREE Adobe Acrobat reader to open these files. Get it directly from Adobe here {http://get.adobe.com/reader/} If you're not...

www.gmt400.com

I'll do this now. Thanks!

 

[ol-Betsy]

Is there any possibility there could be a engine temp management issue? My coolant has dropped on the gauge a lot since I replaced the temp sensor on the side of the block.