Technician A says fuel trim means the making of slight adjustments to the fuel delivery to keep the engine operating efficiently.Technician B says if the fuel system requires no correction, then short-term and long-term fuel trims will read 0%.Who is correct?
A)A only
B)B only
C)Both A and B
D)Neither A nor B

Question

Quizplus · Accepted Answer

Technician A is correct because fuel trim involves adjusting the fuel delivery for optimal engine performance. Technician B is also correct because if no correction is needed, both short-term and long-term fuel trims would indeed read 0%.

Technician a Says Fuel Trim Means the Making of Slight