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Q:

I have a problem with my abs,04 avalanch on 2004 Chevrolet Avalanche 1500

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
wondering why the abs pump runs all the time even when key is off,and if its the abs control module,where its located,thank you.
(3) Answers
the ecm has dectected pressure in the evap system during a non purge condition
This is a common failure with the ABS Control Modules, there are places that rebuild some of them, so that should tell you something. http://bit.ly/8z7rcm
The site even has instructions on how to remove the unit!
my check engine light is on