Re: Question About Stock EEC-IV HEGO Sensors / DY-605 vs. DY-606
I'm looking around, but maybe its 3 and 4 wire sensors. Both have heaters but the 4 wire has also has the auxiliary ground for the heater circuit, as opposed to being grounded only through the exhaust or uses the common ground as the signal.
__________________
2001 Cobra 'Vert
Procharged and Intercooled
455rwhp/441rwtq
Work Car:
2005 Honda Odyssey
400 whp Turbo V6, 6-speed, full cage, H&R Suspension, Brembo Brakes
|