Exhaust and Knock Sensor on 1999 Infiniti I30

How do I replace the Exhaust Gas Recurculation Flow Malfunction and Knock Sensor? The check engine light is on due to these issues, so any immediate answers would be helpful.

by in Marietta, GA on December 09, 2010
2 answers
ANSWER by , December 09, 2010
expensive guess for egr. are you sure it is bad. a lot of issues can cause this code that are not the valve. forget the knock sensor code. it will not return once the flow code is resolved. Roy
ANSWER by , February 05, 2011
don't know u tell me