Operation CHARM
: Car repair manuals for everyone.
Home
>>
Chevrolet
>>
2001
>>
Impala V6-3.4L VIN E
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Computers and Control Systems
>>
Testing and Inspection
>>
Scan Tool Testing and Procedures
>>
Scan Tool Data, Normal Values and Definitions
>>
Scan Tool Data Definitions - Powertrain Systems
>>
EGR Position Variance
EGR Position Variance
The scan tool range is
0
to
100 percent
. This parameter indicates the difference between the desired
EGR
position and the actual EGR position currently being monitored by the
PCM
.