Posts

Showing posts with the label engine shuddering

Car engine shudder repair

Image
 This car engine shaking today is particularly strong, in fact, we encounter this situation, simply do not need to go to the repair shop, like this car engine shaking serious situation, generally are caused by the lack of cylinders, then we how to quickly determine? Is it a cylinder shortage problem? In fact, it is very simple, we will unplug the ignition coils one by one. Observe the engine shuddering, you can quickly distinguish which cylinder is not working? Now we start unplugging the ignition coil from the first cylinder, the engine shakes even more, even to the point of stalling, we plug it in, the engine goes back to the previous shaking state, continue unplugging the ignition coil from the second cylinder, the engine also shakes even more, even to the point of stalling, we plug it in, the engine goes back to the original shaking state, then unplug the ignition coil from the third cylinder, the engine does not respond. Then we unplugged the ignition coil of the third cylinde...

Car repairs for difficult engine shuddering faults

Image
 The car we are looking at today has a very strong engine shudder, a muffled sound on the accelerator and a lack of power. The owner had the throttle cleaned, the injectors cleaned, the oil circuit cleaned, the spark plugs changed, the ignition coil changed, and the engine foot pads replaced, which was good at the time after the set was finished, but as soon as the car arrived home it started to shake again. In fact, the engine shaking, lack of power, is generally one of the four cylinders is not working well, since the owner of the replacement are replaced, the repair are repaired, now there are two high-voltage wire he has not been replaced, then we start from the high-voltage wire to check, first pull out the high-voltage wire to him, and then use the multimeter to test his resistance, normally his resistance is a few thousand ohms, now his The resistance is more than 5,000 ohms, and then shake up no poor contact, indicating that this high-voltage wire he does not have a proble...