not sure where that is located
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2004 Chevrolet Impala Question: chk engine light is on.autozone quick test said it may be the egr valve
it could be the egr or the circuit the valve is located on the top of eng
Answer #2Chevy Power July 31, 2012, 08:32Journeyman
That is not a common problem on that car. I would take it to an experienced repair shop and have it properly diagnosed. Autozone only "reads" the codes. The problem still needs to be diagnosed.
Replyziptie12, August 09, 2012, 21:32Master
By coincidence they sell parts to , right? Take both of the other suggestions and get it diagnosed FIRST , before guessing on parts.