燃油泵的三個相線通過線圈相互連接，經過測試，其中任何一個相線與搭鐵短路都會使3個相線電壓全部被拉低，導致燃油泵不工作。圖五中的異常波動波型出現時間不到500ms，時間間隔較短，所以未能導致發動機熄火。使用pico示波器捕捉和模擬器故障發生時的波型，可以幫助維修人員精準、快速診斷偶發性故障。

A 2014 Mercedes-Benz A200 with an M270 engine and a cumulative mileage of about 120,000km was involved in a collision that ruptured the engine oil pan. After replacing the oil pan with a new one and filling the engine oil to the standard level and testing the vehicle, the engine was found to have a delayed start and the engine malfunction light on the after-start instrumentation was illuminated abnormally.

A 2018 Audi A6L with a CUH engine with approximately 50,000km of accumulated mileage reported occasional poor acceleration and severe engine shudder when accelerating sharply while driving.

一輛2014款Volvo S60，搭載2.0 T發動機，累計行駛里程約為20萬km。車主反映，儀錶上提示前照燈失靈故障。