Two technicians are discussing an engine with an interference design. Technician A says if a valve remains open when its cylinder reaches TDC, the piston may strike the valve. Technician B says if a valve remains open when its cylinder reaches TDC, valvetrain damage can result. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
C
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Answer the following statement(s) true (T) or false (F)
Engineered lumber products consume less wood and can be made from smaller trees than traditional lumber.
?Why would a fuel gas be bubbled through a flux container?
A. ?So the flux can be carried to the torch where it combines with the flame. B. ?To help control the flame temperature. C. ?It is used to lubricate the valves of the torch. D. ?All of the above
The PCM controls __________ __________ and ________ ________, among other functions.
Fill in the blank(s) with the appropriate word(s).
Technician A says that adaptive trim (A-Trim) evaluates and corrects EHI fuel flow at set intervals to ensure balanced cylinder fueling. Technician B says the A-Trim feature makes initial fuel flow programming (E-Trim/ QR-codes/ Cal-codes) unnecessary. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B