喷油器问题，如将喷油器前端松开，发动机不能起动。若多个喷油器泄漏也不能起动，DES GK但此时拔掉共轨压力传感器，发动机能起动（主要是此时人为提高了起动轨压）；
5．共油泵PCV1和PCV2接触，触点有腐蚀现象，造成短时间油不足；
6． 共轨压力传感器故障，有一辆车在不起动时测到共轨传感器的电压已经为4.6V左右，但还没有到4.88V的报警值，所以没有闪码。因为ECU测到轨压，所以供油泵不会向共轨加大供油量，所以造成不起动，此情况可用拔掉轨压传感器起动来判断；
7． 共轨限压阀泄漏（用诊断仪可查出，限压阀打开时轨压为30MPa）；
8． 发动机停止开关故障（开关闭合）；
9． 要检查ECU供电系统
① 钥匙开关后ECU46、56脚电压（正常24V左右）；
② 主继电器后ECU5、6、7脚电压（正常24V左右）；
| 喷油嘴 | P(共轨) | 0 433 175 481 | DSLA140P1723 |
| 喷油嘴 | P(共轨) | 0 433 175 203 | DSLA136P804 |
| 喷油嘴 | P(共轨) | 0 433 175 510 | DSLA128P5510 |
| 喷油嘴 | P(共轨) | DSLA128P1510 | DSLA128P1510 |
| 喷油嘴 | P(共轨) | 0 433 175 449 | DSLA128P1510 |
| 喷油嘴 | P(共轨) | DSLA124P1659 | DSLA124P1659 |
| 喷油嘴 | P(共轨) | 0 433 175 470 | DSLA124P1659 |
| 喷油嘴 | P(共轨) | 0 433 175 390 | DSLA124P1309 |
| 喷油嘴 | P(共轨) | 0 433 172 082 | DLLA82P1773 |
| 喷油嘴 | P(共轨) | 093400-9840 | DLLA158P984 |
| 喷油嘴 | P(共轨) | DLLA158P854 | DLLA158P854 |
| 喷油嘴 | P(共轨) | 970950-0547 | DLLA158P854 |
| 喷油嘴 | P(共轨) | 095000-5601 | DLLA158P844 |
| 喷油嘴 | P(共轨) | 0 433 171 860 | DLLA158P1385 |
| 喷油嘴 | P(共轨) | 093400-1096 | DLLA158P1096 |
| 喷油嘴 | P(共轨) | 093400-1092 | DLLA158P1092 |
| 喷油嘴 | P(共轨) | 093400-8550 | DLLA157P855 |
| 喷油嘴 | P(共轨） | DLLA157P855 | DLLA157P855 |
| 喷油嘴 | P(共轨) | DLLA157P715 | DLLA157P715 |
| 喷油嘴 | P(共轨) | 093400-7150 | DLLA157P715 |
| 喷油嘴 | P(共轨) | 0 433 171 887 | DLLA157P1425 |
| 喷油嘴 | P(共轨) | 0 433 171 886 | DLLA157P1424 |
| 喷油嘴 | P(共轨) | 093400-7990 | DLLA156P799 |
| 喷油嘴 | P(共轨） | 0 433 171 848 | DLLA156P1368 |
| 喷油嘴 | P(共轨) | 0 433 171 847 | DLLA156P1367 |
| 喷油嘴 | P(共轨) | DLLA156P1114 | DLLA156P1114 |
| 喷油嘴 | P(共轨) | 0 433 171 719 | DLLA156P1114 |
| 喷油嘴 | P(共轨) | 0 433 171 712 | DLLA156P1107 |
| 喷油嘴 | P(共轨) | 0 433 171 688 | DLLA156P1059 |
| 喷油嘴 | P(共轨) | 093400-9850 | DLLA155P985 |
| 喷油嘴 | P(共轨) | 095000-6741 | DLLA155P971 |
| 喷油嘴 | P(共轨) | 095000-9700 | DLLA155P970 |
| 喷油嘴 | P(共轨) | DLLA155P965 | DLLA155P965 |
| 喷油嘴 | P(共轨) | 093400-9650 | DLLA155P965 |
| 喷油嘴 | P(共轨) | 093400-8800 | DLLA155P880 |
| 喷油嘴 | P(共轨) | DLLA155P863 | DLLA155P863 |
| 喷油嘴 | P(共轨) | 093400-8630 | DLLA155P863 |
| 喷油嘴 | P(共轨) | DLLA155P848 | DLLA155P848 |
| 喷油嘴 | P(共轨) | 093400-8480 | DLLA155P848 |
| 喷油嘴 | P(共轨) | DLLA155P842 | DLLA155P842 |
| 喷油嘴 | P(共轨) | DLLA155P822 | DLLA155P822 |
| 喷油嘴 | P(共轨) | 0 433 171 562 | DLLA155P822 |
| 喷油嘴 | P(共轨) | DLLA155P788 | DLLA155P788 |
| 喷油嘴 | P(共轨) | 0 433 171 921 | DLLA155P1493 |
| 喷油嘴 | P(共轨) | 093400-1090 | DLLA155P1090 |
| 喷油嘴 | P(共轨) | DLLA155P1062 | DLLA155P1062 |
| 喷油嘴 | P(共轨) | 093400-1062 | DLLA155P1062 |
| 喷油嘴 | P(共轨) | DLLA155P1044 | DLLA155P1044 |
| 喷油嘴 | P(共轨) | 093400-1044 | DLLA155P1044 |
| 喷油嘴 | P(共轨) | 093400-1030 | DLLA155P1030 |
| 喷油嘴 | P(共轨) | 105019-1540 | DLLA154PN270 |
| 喷油嘴 | P(共轨) | M0012P504 | DLLA154PM012 |
| 喷油嘴 | P(共轨) | M0012P154 | DLLA154PM012 |
| 喷油嘴 | P(共轨) | 095000-6631 | DLLA153P958 |
| 喷油嘴 | P(共轨) | DLLA153P885 | DLLA153P885 |
| 喷油嘴 | P(共轨) | 093400-8850 | DLLA153P885 |
| 喷油嘴 | P(共轨) | 093400-8840 | DLLA153P884 |
| 喷油嘴 | P(共轨) | DLLA153P1721 | DLLA153P1721 |
| 喷油嘴 | P(共轨) | 0 433 172 056 | DLLA153P1721 |
| 喷油嘴 | P(共轨) | 0 433 171 983 | DLLA153P1609 |
| 喷油嘴 | P(共轨) | 0 433 171 982 | DLLA153P1608 |
| 喷油嘴 | P(共轨) | 0 433 171 800 | DLLA153P1270 |
| 喷油嘴 | P(共轨) | 093400-9890 | DLLA152P989 |
| 喷油嘴 | P(共轨) | 093000-9810 | DLLA152P981 |
| 喷油嘴 | P(共轨) | DLLA152P980 | DLLA152P980 |
| 喷油嘴 | P(共轨) | 093400-9800 | DLLA152P980 |
| 喷油嘴 | P(共轨) | 093400-9470 | DLLA152P947 |
| 喷油嘴 | P(共轨) | 093400-8790 | DLLA152P879 |
| 喷油嘴 | P(共轨) | DLLA152P865 | DLLA152P865 |
| 喷油嘴 | P(共轨) | 093400-8650 | DLLA152P865 |
| 喷油嘴 | P(共轨) | 093400-9620 | DLLA152P862 |
| 喷油嘴 | P(共轨) | 0 433 172 111 | DLLA152P1819 |
| 喷油嘴 | P(共轨) | DLLA152P1768 | DLLA152P1768 |
| 喷油嘴 | P(共轨) | 0 433 172 078 | DLLA152P1768 |
| 喷油嘴 | P(共轨) | 0 433 172 036 | DLLA152P1690 |
| 喷油嘴 | P(共轨) | 093400-8697 | DLLA152P1097 |
| 喷油嘴 | P(共轨) | DLLA152P1071 | DLLA152P1071 |
| 喷油嘴 | P(共轨) | 093400-1040 | DLLA152P1040 |
| 喷油嘴 | P(共轨) | DLLA150P866 | DLLA150P866 |
| 喷油嘴 | P(共轨) | 093400-8660 | DLLA150P866 |
| 喷油嘴 | P(共轨) | DLLA150P835 | DLLA150P835 |
| 喷油嘴 | P(共轨) | 093400-8350 | DLLA150P835 |
| 喷油嘴 | P(共轨) | 093400-8150 | DLLA150P815 |
| 喷油嘴 | P(共轨) | DLLA150P800 | DLLA150P800 |
| 喷油嘴 | P(共轨) | DLLA150P783 | DLLA150P783 |
③ 诊断开关ECU68脚电压（正常10V左右）；
④ PCV继电器主触点后电压（正常24V）。
