718bklynboy Posted July 10, 2008 Report Share Posted July 10, 2008 I would like to remove my cats and weld in some electric cutouts. Can anyone help with tuning the PCM so the post-converter O2 Sensors do not report an error and ignite the lights? Is this the only approach or is there another way to trick the PCM and Sensors without tuning? Thanks for your replies... Quote Link to comment Share on other sites More sharing options...
Fireman31 Posted July 10, 2008 Report Share Posted July 10, 2008 I would like to remove my cats and weld in some electric cutouts. Can anyone help with tuning the PCM so the post-converter O2 Sensors do not report an error and ignite the lights? Is this the only approach or is there another way to trick the PCM and Sensors without tuning? Thanks for your replies... The only way to disable the rear 02s is by deleting them from the PCM. Quote Link to comment Share on other sites More sharing options...
Rausche Posted July 10, 2008 Report Share Posted July 10, 2008 You could try and find yourself a good pair of NB02 Simulators, but from what I've heard they're getting harder and harder to find. IMO the best / easiest / most reliable way is just to turn them off in the tune. Quote Link to comment Share on other sites More sharing options...
Krambo Posted July 10, 2008 Report Share Posted July 10, 2008 You need to "delete" the following DTC's in your tune to prevent the CEL light from popping up: P0137 P0138 P0140 P0141 P0157 P0158 P0160 P0161 P0420 P0430 If you are concerned with having the emissions readiness checks enabled (for the OBDII emissions check), you should set the codes to "3 - no error reported" and also have the SES box "checked" for EACH code listed (using HPTuners anyway). Quote Link to comment Share on other sites More sharing options...
mean05 Posted July 10, 2008 Report Share Posted July 10, 2008 You need to "delete" the following DTC's in your tune to prevent the CEL light from popping up: P0137 P0138 P0140 P0141 P0157 P0158 P0160 P0161 P0420 P0430 If you are concerned with having the emissions readiness checks enabled (for the OBDII emissions check), you should set the codes to "3 - no error reported" and also have the SES box "checked" for EACH code listed (using HPTuners anyway). x 2....really the only way you should do it Quote Link to comment Share on other sites More sharing options...
718bklynboy Posted July 10, 2008 Author Report Share Posted July 10, 2008 Thanks for the info, much appreciated.. Quote Link to comment Share on other sites More sharing options...
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