1995 nissan maxima on 1995 Nissan Maxima

I got code PO410 and PO503 i believe i read it right 4 short and 10 fast followed by 5 slow and 3 fast. well the car is hesitating to start sometimes and when it warms up sometimes it tends to slight surge in idle as well when i partially accelerate recently change plugs from autolite to ngk what does this mean thanks.

by in Chicago, IL on July 02, 2010
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1 answer
ANSWER by , July 02, 2010
I am afraid I see no PO410 code or P0503 in the Nissan workshop manual for your car. PO410 refers to air injection system problems (I'm 90% certain the Maxima doesn't have air injection), PO503 is a vehicle speed sensor issue which I have seen fail on the Nissans but you loose speedometer and cruise control functionality.