Boost Pressure Above Normal
使用此程序可对增压过高或以下事件代码进行故障诊断和排除。 有关事件代码的具体触发点信息,请参考故障诊断和排除, "事件代码列表"。
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事件代码     | ||
---|---|---|
说明     | 产生此代码的情况     | 系统响应     |
E092 增压压力高于正常值     | 实际增压压力高于所需增压压力。     | 记录此代码,且此代码处于当前状态。     |
可能的原因
- 废气门膜片泄漏
- 供气
- 满负荷油量设置 (FLS) 有误
建议措施
废气门膜片泄漏
确认废气门的排气旁通阀能够打开。 使用卡特彼勒电子技师(ET)将废气门设为完全打开。 进行变矩器失速测试。 30 秒后,应该会出现增压过低事件。 如果发生增压过低事件,则说明废气门可正常开启。
供气
确认废气门控制阀的供气不低于 345 千帕 (50 磅/平方英尺)。
FLS 有误
确保 FLS 正确。
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