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WHAT IS THE DIFFERENCE BETWEEN LTFT B1 AND LTFT B2 THEY BOTH READ LONG TERM FUEL CORRECTION BUT WHY THERE ARE 2 OF THEM
The engine has two banks of cylinders with one collector / O2 sensor for each bank. The Fuel Trims are per bank. Normally the bank with cylinder #1 is bank 1, and bank 2 it the other one.