Wideband O-2 sensor

M

Mike

Just got a PLX wideband sensor and display combo (uses standard 5 wire Bosch sensor). Word is that I can hook it up to my Accel DFI and run the car in 'closed loop', thereby merely plugging in desired Air Fuel ratios in the A/F table and not having to fool with VE estimates. Supposed to remove a lot of guesswork/trial and error tuning to get it humming smoothly...which it is doing now, so why fool with it? Maybe it will be better/closer to "ideal"??? :o)
Anybody try anything like this? I'll post the results as soon as I get it hooked up.
 
C

Charlie M

Supporter
I have an Accel Gen 7 system I bought used. It has a 5-wire wide band O2 sensor wired into it and the instruction manual discusses using this type of sensor in closed loop mode.

I haven't had my engine running with this setup yet but supposedly this came off a well-sorted car. The seller upgraded to a MoTec system. I can't tell you first hand how it worked yet but if you have any questions as to how it's wired, I can help you there.

Charlie
 
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