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Note:
In this mode, it is possible to
reset the above mentioned engine learn parameters using the arrow keys, i. e.
to set them to 128 steps.
The learn parameters indicate
the short - term and long - term behaviour of the oxygen sensor
control circuit. If a fault occurs in this circuit, these values taper off
upwards or downwards.
If the fault in the oxygen
sensor control circuit is eliminated, the learn parameters return to the
normal value of 128 steps. This process may however take several
minutes.
For this reason, it is possible
to reset the parameters directly to the normal value of 128 steps using
this TECH 1 mode. The engine should then be run for some time in
spite of this, to check that the oxygen sensor control circuit has been
correctly repaired.
The reset is triggered by the
ARROW Up key. In addition, the various data list parameters can be
displayed via the YES and NO keys. Key F9 can be used to store data as
in the snapshot mode.
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