EVP Sensor Failure May Cause Drivability/Fuel Economy Issues on Ford Crown Victoria

The EGR valve position (EVP) sensor can fail on this vehicle. The EVP sensor measures the EGR valve position and transmits the date to the engine control computer. If it fails, drivability and fuel economy can suffer, the Check Engine Light will commonly illuminate.

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Average mileage: 115,246 (12,358–180,000)
10 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997, 1998, 1999
20 people reported this problem
4 people shared problem details
I have a P-1409 OBD-2 code , have not fixed yet . As well as a # 2 Misfire , oil in #2 Spark Plug
I HAVE THE SAME PROBLEM WITHE EGR PRESSURE SENSOR AND CHANGED IT AND IT STILL ENGINE LIGHT STILL COMES ON WHAT DO I DO TO FIX IT
It keeps going out a day after replacing
check engine light illuminates, EGR error code
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