潍柴稳压器

件号：1014066162名称：PFAV燃气稳压计量阀总成（俗称：稳压器、PFAV阀）

1014066162Name: PFAV Gas Pressure Regulating

归属系统：发动机燃气供给系统（燃料系统）适配机型：潍柴国六LNG天然气发动机 WP13NG / WP15NG，配套陕汽、重汽豪沃、解放等搭载潍柴燃气动力重卡功能说明：调压、燃气流量计量二合一阀体，为发动机精准控制燃气供气压力与进气量，是国六燃气发动机核心控制件。常见故障现象：车辆启动困难、怠速抖动、动力不足、燃气消耗偏高、ECU报PFAV位置故障、燃气压力异常。保养提示：前端燃气滤芯必须定期更换，杂质极易磨损内部阀芯，造成阀体损坏。

EnglishSystem Affiliation: Engine Gas Supply System (Fuel System)Application Model: Weichai National VI LNG natural gas engine WP13NG / WP15NG, suitable for Shaanxi Automobile, Sinotruk Howo, FAW and other heavy trucks equipped with Weichai gas engines.Function: Integrated valve for gas pressure regulation and flow metering. Precisely control gas supply pressure and intake volume for the engine, it is the core component of National VI gas engine.Common Faults: Difficult starting, unstable idling, insufficient power, excessive gas consumption, ECU PFAV position fault code, abnormal gas pressure.Maintenance Tip: Replace the front gas filter regularly. Impurities will easily wear the internal valve core and cause valve damage.