Error code

Yanmar All models code u2

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Meaning

I ( I ) Faulty fuel injection valve I I ( n) Faulty fuel injeclion I \ 11) low in1ect1on pressure \ ( 1 [ Early fu.el Ln1ecticn (3) S11ck1ng 01 valve needle \\ \ (2) Damaged luei val\le sp{ing \- \ (2) Fu~I pressurn 1s tao ru-g11 \ (4) Fau~y mfectlon spray \ .. ... KNOCKING l I / I \ 1) E i:cessive quantity ol fuel is eiectad \ 1) lnsu lhcienl cooh-r,g waier 1rom fuel pump I I (4} Poor quality tue1 oil I (2) Excess pfston dearar.ce / (5) Water rrrn:c,d 111 tuel 011 (3) Excess beanng clearan.ce I 16) lnc.orroc1 prossuw I ! (fil) Excessive quan.tit.y. o.f. f.u el injected each time I (WI Miscellaneous I ......... (1111) AdIust pump adjustment rack. ( IV -1) Check cooling water pump and lap valves. (IV-2) Replace. ( IV-3) Replace. ( IV -4) Replace with good fuel oil. ( rv -5) Replace with good fuel oil. ( rv -6) Check and repair

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