The code po140 is related to the 02 sensor on Bank 1 sensor #2 having no activity on that sensor.
It is probably going to have to be replaced.
Do you have a catalytic converter?
P0400 is for the egr valve being open and the MAP not showing any change, you will have to take that in to a dealership as it is very hard to troubleshoot.
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Saturday, January 12th, 2008 AT 9:16 AM