NDT 发表于 2015-11-9 15:29( t# s; G) o2 x `7 K: y
你说的工程师是P.E吗,5W20和5W30没有太大的区别不会导致机油压力不够的。. P' U" z- A5 P# _8 o$ }% L4 V
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修车的小时数有行业标准, ...
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Only low level alarm , 5w20, 5w30 no much difference, no sensor can get that, must not full or u car burning engine oil cause low level.