Engine_2014 : General Subjects - 1828/3524
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| A gradual decrease in the discharge pressure of an operating hydraulic pump can be caused by __________ . |
| A) the four-way control valve failing to shift |
| B) the bleeder valve sticking in the open position |
| C) cold hydraulic fluid |
| D) a clogged air vent filter on the oil reservoir |
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