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奥迪A4行驶的时候加速无力是怎么回事

来源:http://www.sdjnltqf.com发布时间:2019-04-10 16:09:53

  车型:A4L 2.0T
  Model: A4L 2.0T
  车架号码:LFV3A28K093013931
  Frame number: LFV3A28K093013931
  发动机型号:CDZ
  Engine model: CDZ
  故障现象:
  Fault phenomena:
  客户来店反应开车途中有时加速无力且发动机故障灯亮
  Customers come to the store to react and sometimes speed up weakly and the engine failure lights turn on during driving.
  故障诊断:
  Fault diagnosis:
  客户来店后试车,发现顾客所说现象存在,用电脑读取故障码如下图所示:
  After the customer comes to the store for test run, he finds that the phenomenon mentioned by the customer exists, and reads the fault code with the computer as shown in the following figure:

                        济南奥迪汽车专修
  判定为凸轮轴位置调节器故障,检查凸轮轴位置调节器发现插头处漏油,更换新的凸轮轴位置调节器,删除故障码,试车后发现故障依旧;查看本车在本厂的维修记录发现此车已更换过缸头、进排气凸轮轴、正时一套,用电脑读取此车的配气相位,发现其数值不正确,怀疑进气凸轮轴的调节活塞有问题,更换后试车,故障依旧存在;分析导致此故障的原因有可能是正时链条拉长导致,拆车后检查发现,正时链条和张紧器完好;再次仔细检查,怀疑凸轮轴调节器有问题,因其和进气凸轮轴一起,更换进气凸轮轴后试车,故障一直未出现。
  Determine the fault of the camshaft position regulator, check the position regulator of the camshaft to find the leakage of oil at the plug, replace the new position regulator of the camshaft, delete the fault code, and find that the fault is still the same after the test run. Check the maintenance records of the car in our factory and find that the car has changed the cylinder head, intake and exhaust camshafts, timing set. Read the gas distribution phase of the car by computer, and find that its value is not correct. Indeed, it is suspected that there is a problem with the adjusting piston of the intake camshaft. After replacing the intake camshaft, the trouble still exists. The analysis of the causes of the failure may be caused by the elongation of the timing chain. After disassembly, the inspection shows that the timing chain and tensioner are in good condition. Once again, careful inspection is made to suspect that there is a problem with the intake camshaft, because the intake camshaft is replaced together with the intake camshaft. It never appeared.
  故障结果:
  Failure results:
  更换进气凸轮轴
  Replacement of intake camshaft

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