lemon-mirror
:
Home
>>
Chevrolet
>>
2001
>>
Venture 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
>>
Fuel Trim Cell
Fuel Trim Cell
Scan tool displays cell#. Fuel trim cell is dependent upon engine speed and Mass Air Flow
(
MAF
)
sensor readings. A plot of RPM vs. MAF is divided into 10 cells. Fuel trim cell indicates which cell is currently active.