Joined: Jan 2006
Originally Posted by DRUNKHORSE
I for got to add, I think autozone has it for 125, and if you do a search wether through "google" or "ask.com" you can easily find other parts stored that can sell it for cheaper. You can try ebay aswell and see what you can find.
Comparison chart for EGR to MAP values.example
I know, I know, my art skills suck. but atleast I tried
you should also check the (MAP) sensor.
The position of the EGR effects manifold pressure. When the Egr valve open and the EGR flow occurs, manifold pressure increases(vacuum decreases). When the EGR valve is closed and EGR flow is zero. the manifold pressure decreases(vacuum increases). In both conditions, the amount of MAP change is relative to EGR flow.
The PCM will occasionally test the EGR system function under specific driving conditions. Typical testing is high speed driving(steady MAP reading and throttle postion) or deceleration. In the example above the EGR is completely closed(steady closed). Then the EGR is commanded full open, note the change in the MAP sensor reading/manifold vacuum.
This example shows the response of a properly working EGR system. IF the EGR valve opens, but EGR passages are clogged or the other components malfunction, correct the EGR flow is inhibited and may be reflected as such, by little or no activity from the MAP sensor during EGR operation.
were there any other codes besides P0400 that might contribute to the P0400?
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