Replace knock sensor but check engine light stays on. Raw gas smell in cabin on 2000 Infiniti Q45

Codes said to replace knock sensor but check engine light stays on. Also, there was the smell of raw gas in the cabin and on the left side under hood but no sign of leak.

by in Franklin, TN on April 14, 2012
2 answers 1 comment
ANSWER by on April 16, 2012
some trouble codes stored in the engine, you shoule use a code scanner clear the fault code, this tool can help you. http://www.chinasinoy.com/wholesale/code-reader-scanner-tool-obd-ii-eobd-english-spanish-free-shipping-445.html
ANSWER by on June 13, 2012
check fuel regulator and replace knock sensors,also check egr valve
COMMENT by on December 05, 2013
is the knock sensor the one we also call the brain box?