Question about 2001 Ford Escape
Code 1402 EGR valve position sensor open or shorted, check the wires going to the sensor and the plug itself,hope this helps if not get back to me and we'll go from there
Posted on May 15, 2009
The dpfe sensor is the electronic part of the egr valve. This is very common problem with fords.
Some Fords have an extended warranty thru Ford on replacing the dpfe sensor I think the extended warranty is up to 60000 miles.
I would call Ford to run the vin number in there system to see if the extended warranty applies for your vehicle. Then take the vehicle in to service the DPFE sensor .
Posted on May 15, 2009
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Posted on Jan 02, 2017
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Mar 14, 2014 | Toyota Cars & Trucks
EGR stands for Exhaust Gas Recirculation. It is part of the vehicle emmissions system, and is used to reduce combustion temperature and pressure to control Oxides of Nitrogen. There are generally three parts to the EGR system: the EGR valve, an actuator solenoid, and a differential pressure sensor (DPF). These things work together to deliver the correct amount of recirculation based on engine temperature, load, etc. The P0402 code means that OBD detected an excessive amount of EGR.
You may notice drivability problems such as the engine may surge off idle. There may also be other symptoms.
A code P0402 most likely means one or more of the following has happened:
With a P0402, it is common for people to replace the EGR valve, only to have the problem return. The most likely solution is to replace the DPFE sensor.
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