Mechanics

FUEL TRIM

1997 Ford Taurus

What is the difference between fuel trim #1 and fuel trim # 4 what exactly are the trims reading. Are they reading the oxy sensors from bank 1 sensor 1 to bank 2 sensor 2. Please explain.
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Jammisu
June 19, 2013.



Wikipedia: fuel trim. Go to the site and if there are questions afterwards, we are here

Dr. Hagerty
Jun 19, 2013.