Closed loop status

[Peter Gargano]

Dan Plaskett wrote:
> 
> Any ideas why I can't get my 86 into closed loop status?  I have oxygen
> transitions according to my Diacom runs.  Engine is plenty warm.

But what does the ECM think the coolant temp is? Closed loop won't be
entered until the ECM thinks the motor is hot enough.

> Oxygen
> sensor voltage between 300mv and 700mv most in 500-600 range.  Drove around
> for 15 minutes nothing.  Not throwing any codes.  I do remember reading
> something about closed loop timers being bypassed when in 10k mode, but the
> BLMs are all 128 except block 0 which is 160 so I'm assuming that I haven't
> entered learn mode.  I'm stumped.  Any help would be appreciated.  Thanks.

I think the BLMs are initialised to 128 and stay that way until closed loop
is entered.

PG
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