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一、劣质配件引起的故障一例一辆东风EQ340汽车在大修竣工后的试车时，怎么也发动不着，修理人员按先从油路后电路的顺序查起：从仪表盘上看，在关掉和打开点火开关时均无漏电现象；起动时，起动机运转正常(无卡滞)；拔出各缸高压线试火都有较强火花；用手拨动节气门杆加油，从
A poor quality parts caused a failure case A Dongfeng EQ340 car in the overhaul after the completion of the test, how can not start, the repair staff according to the order of the circuit after the circuit to find: From the dashboard look, turn off and Turn on the ignition switch without leakage phenomenon; start, the starter is running properly (no card delay); pull out each cylinder high voltage test fire have a strong spark; hand throttle throttle lever refueling, from