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外界空气进入燃油箱内，使油箱内外的压力达到平衡。如果空气阀因故无法开启，造成燃油箱内存在明显的负压，燃油泵可能吸不上油，将造成发动机怠速不稳定，FE2 GK甚至将燃油箱吸瘪。当温度，燃油箱内的燃油蒸气过多，油气压力高于压力时，油箱盖的蒸气阀被顶开，燃油箱内的燃油蒸气（HC）从阀门逸入中，使油箱内外的压力达到平衡，可以防止燃油箱被胀裂。2．限压阀泄漏的判断方法 喷油器 1830691C1 单体泵 4286967 卡特C13油嘴 278F2101266 喷油器修理包 0445116 大修包 控制阀 7135-486 控制阀 7206-0379 （带线圈） 油嘴 L281PBD 喷油器 28606815 喷油器 095000-5321 喷油器 0 445 120 027 97303657 0986435504 喷油器 095000-6240 16600-VM00A 16600-VM00B 16600-VM00C 095000-6243 16600-MB400 喷油器 295050-0810 喷油器 253-0618 喷油器 244-7718 喷油器 10R-2772 LED">ABSolute;top:0;border:0;width:undefinedpx;height:undefinedpx;" SANdbox="allow-forms allow-popUPS allow-popups-to-escape-sandbox allow-same-origin allow-scripts allow-top-navigation-by-user-activation" frameborder="0" marginwidth="0" marginheight="0" vspace="0" hspace="0" allowtransparency="true" scrolling="no" src="https://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-6745515041074118&ouTPUt=html&adk=1812271804&adf=3279755396&plat=3%3A32%2C4%3A32%2C8%3A134217728%2C9%3A134250632%2C16%3A8388608%2C17%3A32%2C24%3A32%2C25%3A32%2C30%3A1081344%2C32%3A32&format=0x0&url=https%3A%2F%2Fwww.bizrobot.com%2Fcompany_bloginfo.php%3Fact%3D1&ea=0&flash=0&pra=5&wgl=1&uach=WyJXaW5kb3dzIiwiNy4wLjAiLCJ4ODYiLCIiLCI5OC4wLjQ3NTguMTAyIixbXSxudWxsLG51bGwsIjY0IixbWyIgTm90IEE7QnJhbmQiLCI5OS4wLjAuMCJdLFsiQ2hyb21pdW0iLCI5OC4wLjQ3NTguMTAyIl0sWyJHb29nbGUgQ2hyb21lIiwiOTguMC40NzU4LjEwMiJdXV0.&dt=1645405041517&bpp=2&bdt=12&idt=9&shv=r20220216&mjsv=m202202090102&ptt=9&saldr=aa&cookie=ID%3D138bd4a5c3f9dd5c-22e6327ab7c8007c%3AT%3D1621323454%3ART%3D1621323454%3AS%3DALNI_MZr6w-L6tDY0HVf8PxDU64fYTf-Jg&nras=1&correlator=157780579456&frm=23&ife=1&pv=2&ga_vid=688210454.1645405042&ga_sid=1645405042&ga_hid=448406891&ga_fc=0&nhd=1&u_tz=480&u_his=26&u_h=1080&u_w=1920&u_ah=958&u_aw=1920&u_cd=24&u_sd=1&DMC=8&adx=-12245933&ady=-12245933&biw=1920&bih=855&isw=730&ish=360&ifk=2699508910&scr_x=0&scr_y=0&eid=42531398%2C44750773%2C182982000%2C182982200%2C21067496%2C31062931&oid=2&pvsid=1505022697404195&pem=146&tmod=875727929&uas=0&nvt=1&ref=https%3A%2F%2Fwww.bizrobot.com%2Fcompany_bloginfo.php%3Fadd_suc%3D1&eae=2&fc=1664&brdim=0%2C0%2C0%2C0%2C1920%2C0%2C1920%2C958%2C730%2C360&vis=1&rsz=%7C%7Cs%7C&abl=NS&fu=32772&bc=31&ifi=1&uci=1.ebrnecq4r98w&fsb=1&dtd=17" data-google-container-id="1.ebrnecq4r98w" data-load-complete="true"> |