Question about 2013 Ford C-Max Energi
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Posted on Jan 02, 2017
This code refers to the Delta Pressure Feedback EGR(DPFE) sensor voltage. The voltage in this sensor changes as it detects a difference in vacuum. Test: Engine running, so be careful and use proper care! Find the EGR valve and disconnect the vacuum line going to the top of the valve. There should be no vacuum there at this time. If there is then check for proper EVR (EGR vacuum regulator) operation and vacuum line routing. These lines could be broken, cracked or plugged. I have run across many EGR passages in the intake manifold that become plugged with carbon and prevent EGR flow, check this by removing the throttle housing that the EGR valve is bolted to and look at the passages, clean if neccessary, reset Check engine light and see if it comes back on after operation. Hope this helps, let me know.
Posted on Jul 01, 2010
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