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Ignition and Engine Control Systems - Specifications, Other: Adjustments Volvo XC90 I

FUEL TRIM, RAPID ADJUSTMENT, BANK X (%)

Rapid adjustment is the continual adaptation of the fuel/air mixture during operation.

Bank 2 only applies to 6-cylinder engines.

HINT: Fuel trim returns to 0% once diagnostic trouble codes (DTCs) have been cleared.

FUEL TRIM, SLOW ADJUSTMENT, BANK X (%)

Slow adjustment is the fuel trim value that adjusts the fuel/air mixture for a longer period of time and factors in component aging, tolerances, etc.

Bank 2 only applies to 6-cylinder engines.

HINT: Fuel trim returns to 0% once diagnostic trouble codes (DTCs) have been cleared.