Egr Dpfe

How do you know if the sensor is bad or if dpfe the EGR valve (2001 Ford Taurus)?

Get into the computer code P401

While the car remove idle, the hose from the EGR valve and hook up to a vacuum pump, EGR valve. If you pump it up the car should stall if the valve is fully EGR functional. If the change is not the EGR valve is stuck closed or slowed down the passages are so clogged with EGR carbon from the air passes through. If you're a Scan tool can and must have a voltage reading DPFE the vacuum pump to the EGR valve and the pump will maintain all DPFE voltage monitor reading. If that is changing slowly, but the Read DPFE sensor voltage does not change You know it is the sensor. These sensors are often poor and the rubber hoses that are connected with them.

Wells Ford EGR DPFE Training with Sgt Tech P0400 P0401 P0402

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