How to Test the DPFE Sensor.?

Answer

1. Open the hood of the vehicle. Locate the DPFE sensor, which is near the EGR valve, behind the upper intake manifold, between the firewall and engine. The sensor is a small square with two vacuum hoses on the bottom and a wire harness coming out
source: www.ehow.com
Q&A Related to "How to Test the DPFE Sensor."
Answer Dpfe sensor is the delta (differential) pressure feedback egr (exhaust gas recirculation) it monitors the pressure on the egr valve to make sure it is working.
http://wiki.answers.com/Q/How+do+you+clean+a+dpfe+...
DPFE means "Delta Pressure Feedback of EGR", Delta means "change", so the DPFE Sensor reads
http://www.chacha.com/question/what-is-a-dpfe-sens...
Sounds like you have a vacuum leak, a problem with the wiring, or a bad PCM. Check wiring for pinched, chafed, pierced, or broken wires. Make sure vacuum supply is good, and not collapsing
http://www.fixya.com/cars/t5639180-location_dpfe_s...
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