Calpack verification

[rr]

A disconnected O2 sensor won't put the ecm into limp. The limp
mode is reserved for major malfunctions. In limp mode the ign
module controls timing.

To test limp mode pull out the eprom or create one with a checksum
error, then see if engine runs.

BobR.

Matt Sandine wrote:

> I had pulled a few 870 ECM's from a junkyard. The car is an '85
> Corvette...maybe I am using the wrong calpack. It shows 16042438.
>
> Doesn't the calpack just work in limp home mode? Say I unplug the O2 sensor
> for a minute so that I get no voltage to the computer. I would set a code.
> Then I could check the timing there. If limp home mode timing was correct,
> then I can keep going from there. Regards, -Matt-
>
>

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