Originally posted by cvkillacontour98:
what is hego?




HEGO = Heated Exhaust Gas Oxygen Sensor

Basically, it is a heated O2 sensor.

There is a good article on O2 and heated O2 sensors at http://www.asashop.org/autoinc/dec2002/mech.cfm


96 Contour SE Duratec V6 24-valve 2.5L ATX 108,000 mi. Replaced: crankshaft w/ DMD, EGR valve (clogged), EVR, DPFE, PCV valve, evap emissions hose & tube (cracked), window regulator (broken), LH & RH PCV tubes, UIM gasket (leak), ignition coil