What are the check engine codes for a Mazda Protege 5?

Answer:

rectangular box with a smaller box on the bottom... bad explanation... autozone it up, they scan for free

Answer

there should a 16 pin diagnostic port at the top left corner of your engine compartment, against the fire wall ...little grey box......

First answer by Manualanimal. Last edit by Manualanimal. Contributor trust: 152 [recommend contributor recommended]. Question popularity: 82 [recommend question].