Valve seal本身就是节流阀,总要允许一点流量。现在只是流量偏大,还没到要更换的地步。你说的早上打火冒黑烟,或小个头说的idling时也冒蓝烟,那流量就大到要更换的时候了。
Valve seal本身就是节流阀,总要允许一点流量。现在只是流量偏大,还没到要更换的地步。你说的早上打火冒黑烟,或小个头说的idling时也冒蓝烟,那流量就大到要更换的时候了。
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