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Is anyone familiar with doing a total EVAP Delete procedure on a 2005 STS w/4.6L Northstar?

 

John

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1 hour ago, JohnSprague said:

Is anyone familiar with doing a total EVAP Delete procedure on a 2005 STS w/4.6L Northstar?

 

John

Why?

If your state requires inspection you wont pass.  You would probably throw a P code and keep the system in open loop.

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

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Really it is not possible unless you can rewrite the computer to not look for it.

It is always looking for the proper variable resistance feedback for every component it is testing.

The conditions are never the same.

there are too many factors.

Ambient temp

fuel level, and many others

 

GM FAN FOREVER

Nice, clean, luxury= fine automobile

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