Check engine light pops on got the code P1105 MAP sensor. on 1998 Nissan Maxima

I have replaced this sensor twice light still on! Replace the mass air flow sensor light still on! No air leaks replaced vacuum hoes and no visible wire damage! Need to pass emission. Help please!!

by in Atlanta, GA on September 16, 2012
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1 answer
ANSWER by , September 17, 2012
codes only identify bad circuits not bad sensors. ck circuit for proper valves