"EGR Vacuum Regulator Solenoid Circuit" is the "official" OBDII definition. What this means specifically to your vehicle will require some research on your part.
My check engine light came on after I hit a pothole. What does this mean?
There is no code 91. The codes start at 12 and stop at 53.
Trouble code P0000 means: No Fault Found
Trouble code P0320 means: Ignition Engine Speed Input Circuit Malfunction
( # 3 engine cylinder ) a misfire has been detected firewall 1-----2-----3 4-----5-----6 front of Ford Taurus > driver
The Airbag Code 36 for a 2001 Ford Taurus is the airbag code for the Driver Side, Side Airbag. This means that there is either a faulty connection, and wires may need to be cleaned, or that the driver side, side airbag needs to be replaced.
Trouble code P0303 means: Cylinder Number 3 Misfire Detected
the LX on the Taurus stands for luxury
Engine cylinder ( # 2 ) misfire has been detected
LH Primary Sensor feed/return circuit open.
Trouble code P0420 means: Catalyst System Efficiency Below Threshold (Bank 1)