The engine oil pressure gauge should show:

Increasing pressure as engine speed increases.. Section 2.1: Oil pressure should increase as engine speed increases. It should not fall

The engine oil pressure gauge should show:

ANSWER BREAKDOWN
  • A. Incorrect. "Increasing pressure as speed decreases." is not correct. Oil pressure should increase as engine speed increases. It should not fall below the manufacturer's specification at idle.
  • B. Correct. Oil pressure should increase as engine speed increases. It should not fall below the manufacturer's specification at idle.
  • C. Incorrect. "Constant pressure." is not correct. Oil pressure should increase as engine speed increases. It should not fall below the manufacturer's specification at idle.
  • D. Incorrect. "Zero pressure at idle." is not correct. Oil pressure should increase as engine speed increases. It should not fall below the manufacturer's specification at idle.