Scanmaster o2 mv ?

[oehm]

I have noticed that the o2 mv readings on my scan master jump all over the place. Under moderate acceleation they will go from the 600's down to 000 for a few frames and then back to 500..600. What could cause this? If the car is running really rich will the mv go past the 900's and start over in the 0's (1000's)? I know this sounds confusing but any insight would be appreciated. What should the o2 mv be at idle once the car is good and warmed up?


Thanks

Ian

 

[boostedmaxPSI]

Originally posted by oehm
I have noticed that the o2 mv readings on my scan master jump all over the place. Under moderate acceleation they will go from the 600's down to 000 for a few frames and then back to 500..600. What could cause this? If the car is running really rich will the mv go past the 900's and start over in the 0's (1000's)? I know this sounds confusing but any insight would be appreciated. What should the o2 mv be at idle once the car is good and warmed up?


Thanks

Ian

That's your 02 cycling; that's normal. You can verify it with your cross counts and your INT cycling from128 to 135ish and back to 128.

FS