where is the exact location..through all my troubles w/ fuel problems...i believe this is my problem..i do not have my owners manuel which tells u how to do this....just have read about it in articles..and it always just says "please read owners manuel for instructions" so if anyone could copy and paste whattheir owner manuel says about it..i know its in the engine bay on firewall..so i'm gonna continue looking..thanks guys... i'll post on here if i find it to save someone time.