RepairPal is your advocate for car care advice and guidance

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

not sure where that is located
Get a Repair Estimate
Guaranteed by certified locations nationwide. Learn more
RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
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.
By coincidence they sell parts to , right? Take both of the other suggestions and get it diagnosed FIRST , before guessing on parts.
Didn't find what you were looking for?