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NEWS
  • Troubleshooting of gold cup engine

    The gold cup dual purpose passenger car is equipped with a large CA498 type turbocharged engine, and the blue smoke phenomenon occurs when the engine is speeding and accelerating. Fault check: check the oil pressure value, meet the requirements. Check the engine inlet, there are oil droplets in the pipeline, and it is preliminarily judged that the engine ("empty" cooling air) is caused by the oil of the supercharger leakage. Remove intake port of turbocharger and do not notice any abnormalities....

  • Citroen Elysee dual fuel vehicle starts troubleshooting

    Example: an Elysee oil and gas dual purpose taxi was put into operation in 2011. The car starts with gasoline every day, and when it runs normally, it burns natural gas. At the beginning of 2014, the mileage of the car reached 250 thousand km, and it was difficult to start the cold car, but when the temperature of the coolant was normal, the engine could start to start smoothly. Fault diagnosis: the car owner reflects, the car has been to several maintenance points for maintenance, replacement o...

  • Audi A6L can't speed up and can't drive at high speed

    The Audi A6L 2.4 car with a mileage of over 224 thousand km in 2005. User response: the vehicle can not be speeded up and will not go on high speed. Fault diagnosis: (1) first use VA56150 to detect fault codes, cylinder blocks 1 and 2 mixture gas is too thick. Check the fuel pressure is normal, the nozzle has no leakage phenomenon, try to replace the spark plug and ignition coil is invalid. The analysis believes that the car has been driving 220 thousand kilometers, three yuan catalytic converte...

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