上周气温骤降 Subaru Forester 出了check engine code, 拿obd scanner扫了下是p0171, bank 1 too lean,又用obd scanner 看live data,似乎没看到异常,现在怀疑是brake booster vacuum leak 或者check valve有问题,大家有类似问题吗?先换一个check valve 试试?
谢谢
上周气温骤降 Subaru Forester 出了check engine code, 拿obd scanner扫了下是p0171, bank 1 too lean,又用obd scanner 看live data,似乎没看到异常,现在怀疑是brake booster vacuum leak 或者check valve有问题,大家有类似问题吗?先换一个check valve 试试?
谢谢
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