2004 Chevrolet Impala Q&A

2004 Chevrolet Impala Question: chk engine light is on.autozone quick test said it may be the egr valve

not sure where that is located -
Answer 1
it could be the egr or the circuit the valve is located on the top of eng -
Answer 2
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. -
Comment 1
By coincidence they sell parts to , right? Take both of the other suggestions and get it diagnosed FIRST , before guessing on parts. -