Operation CHARM
: Car repair manuals for everyone.
Home
>>
Chevrolet
>>
1999
>>
Camaro V6-3.8L VIN K
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Computers and Control Systems
>>
Testing and Inspection
>>
Scan Tool Testing and Procedures
>>
Scan Tool Data Definitions - Powertrain Systems
>>
Fuel Trim Cell
Fuel Trim Cell
Scan Tool Displays 0 to 9 Fuel trim cell is dependent upon engine speed and MAF sensor readings. A plot of RPM vs. MAF is divided into 10 cells. Fuel trim cell indicates which cell is currently active.